Home / 888,155.30-1,330,702.05-413,867.90

Finding the Fourth Proportional to 888,155.30, 1,330,702.05 and 413,867.90

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Solution

The fourth proportional to 888,155.30, 1,330,702.05 and 413,867.90 is: 620,088.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,155.30 : 1,330,702.05 = 413,867.90 : x
  2. Step 2: Convert to fraction form
    888,155.30/1,330,702.05 = 413,867.90/x
  3. Step 3: Cross multiply
    888,155.30x = 1,330,702.05 × 413,867.90
  4. Step 4: Simplify right side
    888,155.30x = 550,734,862,959.20
  5. Step 5: Solve for x
    x = 550,734,862,959.20/888,155.30
  6. Step 6: Final answer
    x = 620,088.47

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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.