Home / 977,996.86-1,349,615.57-542,343.92

Finding the Fourth Proportional to 977,996.86, 1,349,615.57 and 542,343.92

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Solution

The fourth proportional to 977,996.86, 1,349,615.57 and 542,343.92 is: 748,423.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,996.86 : 1,349,615.57 = 542,343.92 : x
  2. Step 2: Convert to fraction form
    977,996.86/1,349,615.57 = 542,343.92/x
  3. Step 3: Cross multiply
    977,996.86x = 1,349,615.57 × 542,343.92
  4. Step 4: Simplify right side
    977,996.86x = 731,955,789,267.04
  5. Step 5: Solve for x
    x = 731,955,789,267.04/977,996.86
  6. Step 6: Final answer
    x = 748,423.46

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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.