Home / 987,386.50-1,481,084.61-239,432.50

Finding the Fourth Proportional to 987,386.50, 1,481,084.61 and 239,432.50

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Solution

The fourth proportional to 987,386.50, 1,481,084.61 and 239,432.50 is: 359,149.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,386.50 : 1,481,084.61 = 239,432.50 : x
  2. Step 2: Convert to fraction form
    987,386.50/1,481,084.61 = 239,432.50/x
  3. Step 3: Cross multiply
    987,386.50x = 1,481,084.61 × 239,432.50
  4. Step 4: Simplify right side
    987,386.50x = 354,619,790,883.83
  5. Step 5: Solve for x
    x = 354,619,790,883.83/987,386.50
  6. Step 6: Final answer
    x = 359,149.93

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Double scale
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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.