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Finding the Fourth Proportional to 532,852.80, 798,590.24 and 398,680.35

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Solution

The fourth proportional to 532,852.80, 798,590.24 and 398,680.35 is: 597,505.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,852.80 : 798,590.24 = 398,680.35 : x
  2. Step 2: Convert to fraction form
    532,852.80/798,590.24 = 398,680.35/x
  3. Step 3: Cross multiply
    532,852.80x = 798,590.24 × 398,680.35
  4. Step 4: Simplify right side
    532,852.80x = 318,382,234,396.38
  5. Step 5: Solve for x
    x = 318,382,234,396.38/532,852.80
  6. Step 6: Final answer
    x = 597,505.04

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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.