Home / 572,542.02-862,834.28-515,687.31

Finding the Fourth Proportional to 572,542.02, 862,834.28 and 515,687.31

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Solution

The fourth proportional to 572,542.02, 862,834.28 and 515,687.31 is: 777,152.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,542.02 : 862,834.28 = 515,687.31 : x
  2. Step 2: Convert to fraction form
    572,542.02/862,834.28 = 515,687.31/x
  3. Step 3: Cross multiply
    572,542.02x = 862,834.28 × 515,687.31
  4. Step 4: Simplify right side
    572,542.02x = 444,952,686,250.55
  5. Step 5: Solve for x
    x = 444,952,686,250.55/572,542.02
  6. Step 6: Final answer
    x = 777,152.89

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.