Home / 887,545.30-1,330,443.15-437,898.10

Finding the Fourth Proportional to 887,545.30, 1,330,443.15 and 437,898.10

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Solution

The fourth proportional to 887,545.30, 1,330,443.15 and 437,898.10 is: 656,415.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,545.30 : 1,330,443.15 = 437,898.10 : x
  2. Step 2: Convert to fraction form
    887,545.30/1,330,443.15 = 437,898.10/x
  3. Step 3: Cross multiply
    887,545.30x = 1,330,443.15 × 437,898.10
  4. Step 4: Simplify right side
    887,545.30x = 582,598,527,543.02
  5. Step 5: Solve for x
    x = 582,598,527,543.02/887,545.30
  6. Step 6: Final answer
    x = 656,415.54

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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.