Home / 331,448.20-497,561.10-329,115.40

Finding the Fourth Proportional to 331,448.20, 497,561.10 and 329,115.40

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Solution

The fourth proportional to 331,448.20, 497,561.10 and 329,115.40 is: 494,059.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,448.20 : 497,561.10 = 329,115.40 : x
  2. Step 2: Convert to fraction form
    331,448.20/497,561.10 = 329,115.40/x
  3. Step 3: Cross multiply
    331,448.20x = 497,561.10 × 329,115.40
  4. Step 4: Simplify right side
    331,448.20x = 163,755,020,450.94
  5. Step 5: Solve for x
    x = 163,755,020,450.94/331,448.20
  6. Step 6: Final answer
    x = 494,059.16

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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.