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Finding the Fourth Proportional to 496,925.40, 745,388.10 and 458,434.20

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Solution

The fourth proportional to 496,925.40, 745,388.10 and 458,434.20 is: 687,651.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,925.40 : 745,388.10 = 458,434.20 : x
  2. Step 2: Convert to fraction form
    496,925.40/745,388.10 = 458,434.20/x
  3. Step 3: Cross multiply
    496,925.40x = 745,388.10 × 458,434.20
  4. Step 4: Simplify right side
    496,925.40x = 341,711,397,313.02
  5. Step 5: Solve for x
    x = 341,711,397,313.02/496,925.40
  6. Step 6: Final answer
    x = 687,651.30

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Similar ratio
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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.