Home / 331,447.20-497,559.60-329,114.40

Finding the Fourth Proportional to 331,447.20, 497,559.60 and 329,114.40

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Solution

The fourth proportional to 331,447.20, 497,559.60 and 329,114.40 is: 494,057.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,447.20 : 497,559.60 = 329,114.40 : x
  2. Step 2: Convert to fraction form
    331,447.20/497,559.60 = 329,114.40/x
  3. Step 3: Cross multiply
    331,447.20x = 497,559.60 × 329,114.40
  4. Step 4: Simplify right side
    331,447.20x = 163,754,029,218.24
  5. Step 5: Solve for x
    x = 163,754,029,218.24/331,447.20
  6. Step 6: Final answer
    x = 494,057.66

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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.