Home / 709,747.20-1,062,871.20-471,801.60

Finding the Fourth Proportional to 709,747.20, 1,062,871.20 and 471,801.60

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Solution

The fourth proportional to 709,747.20, 1,062,871.20 and 471,801.60 is: 706,539.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,747.20 : 1,062,871.20 = 471,801.60 : x
  2. Step 2: Convert to fraction form
    709,747.20/1,062,871.20 = 471,801.60/x
  3. Step 3: Cross multiply
    709,747.20x = 1,062,871.20 × 471,801.60
  4. Step 4: Simplify right side
    709,747.20x = 501,464,332,753.92
  5. Step 5: Solve for x
    x = 501,464,332,753.92/709,747.20
  6. Step 6: Final answer
    x = 706,539.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.