Home / 331,371.20-497,445.60-329,038.40

Finding the Fourth Proportional to 331,371.20, 497,445.60 and 329,038.40

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Solution

The fourth proportional to 331,371.20, 497,445.60 and 329,038.40 is: 493,943.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,371.20 : 497,445.60 = 329,038.40 : x
  2. Step 2: Convert to fraction form
    331,371.20/497,445.60 = 329,038.40/x
  3. Step 3: Cross multiply
    331,371.20x = 497,445.60 × 329,038.40
  4. Step 4: Simplify right side
    331,371.20x = 163,678,704,311.04
  5. Step 5: Solve for x
    x = 163,678,704,311.04/331,371.20
  6. Step 6: Final answer
    x = 493,943.66

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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.