Home / 749,385.78-1,034,177.04-409,854.03

Finding the Fourth Proportional to 749,385.78, 1,034,177.04 and 409,854.03

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Solution

The fourth proportional to 749,385.78, 1,034,177.04 and 409,854.03 is: 565,612.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,385.78 : 1,034,177.04 = 409,854.03 : x
  2. Step 2: Convert to fraction form
    749,385.78/1,034,177.04 = 409,854.03/x
  3. Step 3: Cross multiply
    749,385.78x = 1,034,177.04 × 409,854.03
  4. Step 4: Simplify right side
    749,385.78x = 423,861,627,577.47
  5. Step 5: Solve for x
    x = 423,861,627,577.47/749,385.78
  6. Step 6: Final answer
    x = 565,612.05

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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.