Home / 738,150.70-1,107,744.45-472,557.10

Finding the Fourth Proportional to 738,150.70, 1,107,744.45 and 472,557.10

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Solution

The fourth proportional to 738,150.70, 1,107,744.45 and 472,557.10 is: 709,167.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,150.70 : 1,107,744.45 = 472,557.10 : x
  2. Step 2: Convert to fraction form
    738,150.70/1,107,744.45 = 472,557.10/x
  3. Step 3: Cross multiply
    738,150.70x = 1,107,744.45 × 472,557.10
  4. Step 4: Simplify right side
    738,150.70x = 523,472,504,833.10
  5. Step 5: Solve for x
    x = 523,472,504,833.10/738,150.70
  6. Step 6: Final answer
    x = 709,167.52

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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.