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Finding the Fourth Proportional to 632,359.46, 872,633.96 and 360,514.90

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Solution

The fourth proportional to 632,359.46, 872,633.96 and 360,514.90 is: 497,497.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,359.46 : 872,633.96 = 360,514.90 : x
  2. Step 2: Convert to fraction form
    632,359.46/872,633.96 = 360,514.90/x
  3. Step 3: Cross multiply
    632,359.46x = 872,633.96 × 360,514.90
  4. Step 4: Simplify right side
    632,359.46x = 314,597,545,466.15
  5. Step 5: Solve for x
    x = 314,597,545,466.15/632,359.46
  6. Step 6: Final answer
    x = 497,497.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.