Home / 715,902.20-1,072,931.70-548,862.20

Finding the Fourth Proportional to 715,902.20, 1,072,931.70 and 548,862.20

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Solution

The fourth proportional to 715,902.20, 1,072,931.70 and 548,862.20 is: 822,586.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    715,902.20 : 1,072,931.70 = 548,862.20 : x
  2. Step 2: Convert to fraction form
    715,902.20/1,072,931.70 = 548,862.20/x
  3. Step 3: Cross multiply
    715,902.20x = 1,072,931.70 × 548,862.20
  4. Step 4: Simplify right side
    715,902.20x = 588,891,653,311.74
  5. Step 5: Solve for x
    x = 588,891,653,311.74/715,902.20
  6. Step 6: Final answer
    x = 822,586.74

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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.