Home / 749,405.91-1,034,180.15-409,874.16

Finding the Fourth Proportional to 749,405.91, 1,034,180.15 and 409,874.16

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Solution

The fourth proportional to 749,405.91, 1,034,180.15 and 409,874.16 is: 565,626.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,405.91 : 1,034,180.15 = 409,874.16 : x
  2. Step 2: Convert to fraction form
    749,405.91/1,034,180.15 = 409,874.16/x
  3. Step 3: Cross multiply
    749,405.91x = 1,034,180.15 × 409,874.16
  4. Step 4: Simplify right side
    749,405.91x = 423,883,718,220.55
  5. Step 5: Solve for x
    x = 423,883,718,220.55/749,405.91
  6. Step 6: Final answer
    x = 565,626.33

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Double scale
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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.