Home / 767,432.07-1,151,147.30-261,951.10

Finding the Fourth Proportional to 767,432.07, 1,151,147.30 and 261,951.10

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Solution

The fourth proportional to 767,432.07, 1,151,147.30 and 261,951.10 is: 392,926.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,432.07 : 1,151,147.30 = 261,951.10 : x
  2. Step 2: Convert to fraction form
    767,432.07/1,151,147.30 = 261,951.10/x
  3. Step 3: Cross multiply
    767,432.07x = 1,151,147.30 × 261,951.10
  4. Step 4: Simplify right side
    767,432.07x = 301,544,297,309.41
  5. Step 5: Solve for x
    x = 301,544,297,309.41/767,432.07
  6. Step 6: Final answer
    x = 392,926.37

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Double scale
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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.