Home / 949,874.52-1,310,787.45-520,147.25

Finding the Fourth Proportional to 949,874.52, 1,310,787.45 and 520,147.25

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Solution

The fourth proportional to 949,874.52, 1,310,787.45 and 520,147.25 is: 717,781.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    949,874.52 : 1,310,787.45 = 520,147.25 : x
  2. Step 2: Convert to fraction form
    949,874.52/1,310,787.45 = 520,147.25/x
  3. Step 3: Cross multiply
    949,874.52x = 1,310,787.45 × 520,147.25
  4. Step 4: Simplify right side
    949,874.52x = 681,802,480,898.08
  5. Step 5: Solve for x
    x = 681,802,480,898.08/949,874.52
  6. Step 6: Final answer
    x = 717,781.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.