Home / 434,414.46-599,508.18-243,420.78

Finding the Fourth Proportional to 434,414.46, 599,508.18 and 243,420.78

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Solution

The fourth proportional to 434,414.46, 599,508.18 and 243,420.78 is: 335,929.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,414.46 : 599,508.18 = 243,420.78 : x
  2. Step 2: Convert to fraction form
    434,414.46/599,508.18 = 243,420.78/x
  3. Step 3: Cross multiply
    434,414.46x = 599,508.18 × 243,420.78
  4. Step 4: Simplify right side
    434,414.46x = 145,932,748,791.98
  5. Step 5: Solve for x
    x = 145,932,748,791.98/434,414.46
  6. Step 6: Final answer
    x = 335,929.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.