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Finding the Fourth Proportional to 658,514.08, 908,794.92 and 400,491.82

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Solution

The fourth proportional to 658,514.08, 908,794.92 and 400,491.82 is: 552,706.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,514.08 : 908,794.92 = 400,491.82 : x
  2. Step 2: Convert to fraction form
    658,514.08/908,794.92 = 400,491.82/x
  3. Step 3: Cross multiply
    658,514.08x = 908,794.92 × 400,491.82
  4. Step 4: Simplify right side
    658,514.08x = 363,964,931,517.55
  5. Step 5: Solve for x
    x = 363,964,931,517.55/658,514.08
  6. Step 6: Final answer
    x = 552,706.38

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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.