Home / 725,836.78-1,088,976.57-371,099.85

Finding the Fourth Proportional to 725,836.78, 1,088,976.57 and 371,099.85

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Solution

The fourth proportional to 725,836.78, 1,088,976.57 and 371,099.85 is: 556,762.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,836.78 : 1,088,976.57 = 371,099.85 : x
  2. Step 2: Convert to fraction form
    725,836.78/1,088,976.57 = 371,099.85/x
  3. Step 3: Cross multiply
    725,836.78x = 1,088,976.57 × 371,099.85
  4. Step 4: Simplify right side
    725,836.78x = 404,119,041,780.52
  5. Step 5: Solve for x
    x = 404,119,041,780.52/725,836.78
  6. Step 6: Final answer
    x = 556,762.97

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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.