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Finding the Fourth Proportional to 672,700.57, 932,334.02 and 660,103.45

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Solution

The fourth proportional to 672,700.57, 932,334.02 and 660,103.45 is: 914,874.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,700.57 : 932,334.02 = 660,103.45 : x
  2. Step 2: Convert to fraction form
    672,700.57/932,334.02 = 660,103.45/x
  3. Step 3: Cross multiply
    672,700.57x = 932,334.02 × 660,103.45
  4. Step 4: Simplify right side
    672,700.57x = 615,436,903,711.49
  5. Step 5: Solve for x
    x = 615,436,903,711.49/672,700.57
  6. Step 6: Final answer
    x = 914,874.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.