Home / 749,980.08-1,034,974.26-410,470.20

Finding the Fourth Proportional to 749,980.08, 1,034,974.26 and 410,470.20

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Solution

The fourth proportional to 749,980.08, 1,034,974.26 and 410,470.20 is: 566,449.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,980.08 : 1,034,974.26 = 410,470.20 : x
  2. Step 2: Convert to fraction form
    749,980.08/1,034,974.26 = 410,470.20/x
  3. Step 3: Cross multiply
    749,980.08x = 1,034,974.26 × 410,470.20
  4. Step 4: Simplify right side
    749,980.08x = 424,826,091,497.05
  5. Step 5: Solve for x
    x = 424,826,091,497.05/749,980.08
  6. Step 6: Final answer
    x = 566,449.83

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Double scale
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Similar ratio
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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.