Home / 331,344.20-497,405.10-329,011.40

Finding the Fourth Proportional to 331,344.20, 497,405.10 and 329,011.40

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Solution

The fourth proportional to 331,344.20, 497,405.10 and 329,011.40 is: 493,903.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,344.20 : 497,405.10 = 329,011.40 : x
  2. Step 2: Convert to fraction form
    331,344.20/497,405.10 = 329,011.40/x
  3. Step 3: Cross multiply
    331,344.20x = 497,405.10 × 329,011.40
  4. Step 4: Simplify right side
    331,344.20x = 163,651,948,318.14
  5. Step 5: Solve for x
    x = 163,651,948,318.14/331,344.20
  6. Step 6: Final answer
    x = 493,903.16

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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.