Home / 730,720.22-1,008,324.66-408,422.96

Finding the Fourth Proportional to 730,720.22, 1,008,324.66 and 408,422.96

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Solution

The fourth proportional to 730,720.22, 1,008,324.66 and 408,422.96 is: 563,584.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,720.22 : 1,008,324.66 = 408,422.96 : x
  2. Step 2: Convert to fraction form
    730,720.22/1,008,324.66 = 408,422.96/x
  3. Step 3: Cross multiply
    730,720.22x = 1,008,324.66 × 408,422.96
  4. Step 4: Simplify right side
    730,720.22x = 411,822,942,278.19
  5. Step 5: Solve for x
    x = 411,822,942,278.19/730,720.22
  6. Step 6: Final answer
    x = 563,584.98

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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.