Home / 646,327.64-966,790.82-454,188.15

Finding the Fourth Proportional to 646,327.64, 966,790.82 and 454,188.15

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Solution

The fourth proportional to 646,327.64, 966,790.82 and 454,188.15 is: 679,384.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,327.64 : 966,790.82 = 454,188.15 : x
  2. Step 2: Convert to fraction form
    646,327.64/966,790.82 = 454,188.15/x
  3. Step 3: Cross multiply
    646,327.64x = 966,790.82 × 454,188.15
  4. Step 4: Simplify right side
    646,327.64x = 439,104,935,108.25
  5. Step 5: Solve for x
    x = 439,104,935,108.25/646,327.64
  6. Step 6: Final answer
    x = 679,384.43

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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.