Home / 887,002.90-1,330,504.35-437,793.10

Finding the Fourth Proportional to 887,002.90, 1,330,504.35 and 437,793.10

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Solution

The fourth proportional to 887,002.90, 1,330,504.35 and 437,793.10 is: 656,689.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,002.90 : 1,330,504.35 = 437,793.10 : x
  2. Step 2: Convert to fraction form
    887,002.90/1,330,504.35 = 437,793.10/x
  3. Step 3: Cross multiply
    887,002.90x = 1,330,504.35 × 437,793.10
  4. Step 4: Simplify right side
    887,002.90x = 582,485,623,949.99
  5. Step 5: Solve for x
    x = 582,485,623,949.99/887,002.90
  6. Step 6: Final answer
    x = 656,689.65

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Double scale
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Similar ratio
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1.5x scale

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.