Home / 767,362.38-1,151,148.61-261,787.61

Finding the Fourth Proportional to 767,362.38, 1,151,148.61 and 261,787.61

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Solution

The fourth proportional to 767,362.38, 1,151,148.61 and 261,787.61 is: 392,717.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,362.38 : 1,151,148.61 = 261,787.61 : x
  2. Step 2: Convert to fraction form
    767,362.38/1,151,148.61 = 261,787.61/x
  3. Step 3: Cross multiply
    767,362.38x = 1,151,148.61 × 261,787.61
  4. Step 4: Simplify right side
    767,362.38x = 301,356,446,571.83
  5. Step 5: Solve for x
    x = 301,356,446,571.83/767,362.38
  6. Step 6: Final answer
    x = 392,717.26

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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.