Home / 887,670.20-1,331,505.30-355,273.40

Finding the Fourth Proportional to 887,670.20, 1,331,505.30 and 355,273.40

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Solution

The fourth proportional to 887,670.20, 1,331,505.30 and 355,273.40 is: 532,910.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,670.20 : 1,331,505.30 = 355,273.40 : x
  2. Step 2: Convert to fraction form
    887,670.20/1,331,505.30 = 355,273.40/x
  3. Step 3: Cross multiply
    887,670.20x = 1,331,505.30 × 355,273.40
  4. Step 4: Simplify right side
    887,670.20x = 473,048,415,049.02
  5. Step 5: Solve for x
    x = 473,048,415,049.02/887,670.20
  6. Step 6: Final answer
    x = 532,910.10

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Similar ratio
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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.