Home / 977,846.76-1,349,431.68-542,295.36

Finding the Fourth Proportional to 977,846.76, 1,349,431.68 and 542,295.36

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Solution

The fourth proportional to 977,846.76, 1,349,431.68 and 542,295.36 is: 748,369.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,846.76 : 1,349,431.68 = 542,295.36 : x
  2. Step 2: Convert to fraction form
    977,846.76/1,349,431.68 = 542,295.36/x
  3. Step 3: Cross multiply
    977,846.76x = 1,349,431.68 × 542,295.36
  4. Step 4: Simplify right side
    977,846.76x = 731,790,538,701.01
  5. Step 5: Solve for x
    x = 731,790,538,701.01/977,846.76
  6. Step 6: Final answer
    x = 748,369.34

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Half scale
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Double scale
Find fourth proportional to 977,847.76, 1,349,433.06 and 542,296.36
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.