Home / 914,311.18-1,371,595.02-381,711.07

Finding the Fourth Proportional to 914,311.18, 1,371,595.02 and 381,711.07

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Solution

The fourth proportional to 914,311.18, 1,371,595.02 and 381,711.07 is: 572,620.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,311.18 : 1,371,595.02 = 381,711.07 : x
  2. Step 2: Convert to fraction form
    914,311.18/1,371,595.02 = 381,711.07/x
  3. Step 3: Cross multiply
    914,311.18x = 1,371,595.02 × 381,711.07
  4. Step 4: Simplify right side
    914,311.18x = 523,553,002,690.87
  5. Step 5: Solve for x
    x = 523,553,002,690.87/914,311.18
  6. Step 6: Final answer
    x = 572,620.15

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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.