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Finding the Fourth Proportional to 488,555.70, 732,833.55 and 404,574.90

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Solution

The fourth proportional to 488,555.70, 732,833.55 and 404,574.90 is: 606,862.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,555.70 : 732,833.55 = 404,574.90 : x
  2. Step 2: Convert to fraction form
    488,555.70/732,833.55 = 404,574.90/x
  3. Step 3: Cross multiply
    488,555.70x = 732,833.55 × 404,574.90
  4. Step 4: Simplify right side
    488,555.70x = 296,486,060,207.90
  5. Step 5: Solve for x
    x = 296,486,060,207.90/488,555.70
  6. Step 6: Final answer
    x = 606,862.35

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Similar ratio
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1.5x scale

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.