Home / 754,458.40-1,131,687.60-577,311.40

Finding the Fourth Proportional to 754,458.40, 1,131,687.60 and 577,311.40

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Solution

The fourth proportional to 754,458.40, 1,131,687.60 and 577,311.40 is: 865,967.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,458.40 : 1,131,687.60 = 577,311.40 : x
  2. Step 2: Convert to fraction form
    754,458.40/1,131,687.60 = 577,311.40/x
  3. Step 3: Cross multiply
    754,458.40x = 1,131,687.60 × 577,311.40
  4. Step 4: Simplify right side
    754,458.40x = 653,336,152,718.64
  5. Step 5: Solve for x
    x = 653,336,152,718.64/754,458.40
  6. Step 6: Final answer
    x = 865,967.10

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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.