Home / 929,306.88-1,393,329.50-472,776.11

Finding the Fourth Proportional to 929,306.88, 1,393,329.50 and 472,776.11

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Solution

The fourth proportional to 929,306.88, 1,393,329.50 and 472,776.11 is: 708,843.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    929,306.88 : 1,393,329.50 = 472,776.11 : x
  2. Step 2: Convert to fraction form
    929,306.88/1,393,329.50 = 472,776.11/x
  3. Step 3: Cross multiply
    929,306.88x = 1,393,329.50 × 472,776.11
  4. Step 4: Simplify right side
    929,306.88x = 658,732,891,627.72
  5. Step 5: Solve for x
    x = 658,732,891,627.72/929,306.88
  6. Step 6: Final answer
    x = 708,843.23

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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.