Home / 977,851.76-1,349,438.58-542,300.36

Finding the Fourth Proportional to 977,851.76, 1,349,438.58 and 542,300.36

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Solution

The fourth proportional to 977,851.76, 1,349,438.58 and 542,300.36 is: 748,376.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,851.76 : 1,349,438.58 = 542,300.36 : x
  2. Step 2: Convert to fraction form
    977,851.76/1,349,438.58 = 542,300.36/x
  3. Step 3: Cross multiply
    977,851.76x = 1,349,438.58 × 542,300.36
  4. Step 4: Simplify right side
    977,851.76x = 731,801,027,731.89
  5. Step 5: Solve for x
    x = 731,801,027,731.89/977,851.76
  6. Step 6: Final answer
    x = 748,376.24

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Double scale
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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.