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Finding the Fourth Proportional to 636,436.56, 954,024.12 and 298,872.90

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Solution

The fourth proportional to 636,436.56, 954,024.12 and 298,872.90 is: 448,013.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,436.56 : 954,024.12 = 298,872.90 : x
  2. Step 2: Convert to fraction form
    636,436.56/954,024.12 = 298,872.90/x
  3. Step 3: Cross multiply
    636,436.56x = 954,024.12 × 298,872.90
  4. Step 4: Simplify right side
    636,436.56x = 285,131,955,414.35
  5. Step 5: Solve for x
    x = 285,131,955,414.35/636,436.56
  6. Step 6: Final answer
    x = 448,013.16

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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.