Home / 891,808.10-1,337,712.15-418,541.30

Finding the Fourth Proportional to 891,808.10, 1,337,712.15 and 418,541.30

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Solution

The fourth proportional to 891,808.10, 1,337,712.15 and 418,541.30 is: 627,811.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,808.10 : 1,337,712.15 = 418,541.30 : x
  2. Step 2: Convert to fraction form
    891,808.10/1,337,712.15 = 418,541.30/x
  3. Step 3: Cross multiply
    891,808.10x = 1,337,712.15 × 418,541.30
  4. Step 4: Simplify right side
    891,808.10x = 559,887,782,286.80
  5. Step 5: Solve for x
    x = 559,887,782,286.80/891,808.10
  6. Step 6: Final answer
    x = 627,811.95

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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.