Home / 472,935.80-709,684.07-443,012.85

Finding the Fourth Proportional to 472,935.80, 709,684.07 and 443,012.85

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Solution

The fourth proportional to 472,935.80, 709,684.07 and 443,012.85 is: 664,781.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,935.80 : 709,684.07 = 443,012.85 : x
  2. Step 2: Convert to fraction form
    472,935.80/709,684.07 = 443,012.85/x
  3. Step 3: Cross multiply
    472,935.80x = 709,684.07 × 443,012.85
  4. Step 4: Simplify right side
    472,935.80x = 314,399,160,235.24
  5. Step 5: Solve for x
    x = 314,399,160,235.24/472,935.80
  6. Step 6: Final answer
    x = 664,781.90

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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.