Home / 486,023.10-729,034.65-366,272.70

Finding the Fourth Proportional to 486,023.10, 729,034.65 and 366,272.70

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Solution

The fourth proportional to 486,023.10, 729,034.65 and 366,272.70 is: 549,409.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,023.10 : 729,034.65 = 366,272.70 : x
  2. Step 2: Convert to fraction form
    486,023.10/729,034.65 = 366,272.70/x
  3. Step 3: Cross multiply
    486,023.10x = 729,034.65 × 366,272.70
  4. Step 4: Simplify right side
    486,023.10x = 267,025,489,649.06
  5. Step 5: Solve for x
    x = 267,025,489,649.06/486,023.10
  6. Step 6: Final answer
    x = 549,409.05

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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.