Home / 331,341.20-497,400.60-329,008.40

Finding the Fourth Proportional to 331,341.20, 497,400.60 and 329,008.40

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Solution

The fourth proportional to 331,341.20, 497,400.60 and 329,008.40 is: 493,898.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,341.20 : 497,400.60 = 329,008.40 : x
  2. Step 2: Convert to fraction form
    331,341.20/497,400.60 = 329,008.40/x
  3. Step 3: Cross multiply
    331,341.20x = 497,400.60 × 329,008.40
  4. Step 4: Simplify right side
    331,341.20x = 163,648,975,565.04
  5. Step 5: Solve for x
    x = 163,648,975,565.04/331,341.20
  6. Step 6: Final answer
    x = 493,898.66

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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.