Home / 724,882.34-1,000,382.74-438,414.50

Finding the Fourth Proportional to 724,882.34, 1,000,382.74 and 438,414.50

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Solution

The fourth proportional to 724,882.34, 1,000,382.74 and 438,414.50 is: 605,039.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,882.34 : 1,000,382.74 = 438,414.50 : x
  2. Step 2: Convert to fraction form
    724,882.34/1,000,382.74 = 438,414.50/x
  3. Step 3: Cross multiply
    724,882.34x = 1,000,382.74 × 438,414.50
  4. Step 4: Simplify right side
    724,882.34x = 438,582,298,765.73
  5. Step 5: Solve for x
    x = 438,582,298,765.73/724,882.34
  6. Step 6: Final answer
    x = 605,039.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.