Home / 765,732.26-1,055,577.34-490,059.70

Finding the Fourth Proportional to 765,732.26, 1,055,577.34 and 490,059.70

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Solution

The fourth proportional to 765,732.26, 1,055,577.34 and 490,059.70 is: 675,557.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,732.26 : 1,055,577.34 = 490,059.70 : x
  2. Step 2: Convert to fraction form
    765,732.26/1,055,577.34 = 490,059.70/x
  3. Step 3: Cross multiply
    765,732.26x = 1,055,577.34 × 490,059.70
  4. Step 4: Simplify right side
    765,732.26x = 517,295,914,567.20
  5. Step 5: Solve for x
    x = 517,295,914,567.20/765,732.26
  6. Step 6: Final answer
    x = 675,557.16

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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.