Home / 627,264.68-940,755.16-290,120.34

Finding the Fourth Proportional to 627,264.68, 940,755.16 and 290,120.34

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Solution

The fourth proportional to 627,264.68, 940,755.16 and 290,120.34 is: 435,114.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,264.68 : 940,755.16 = 290,120.34 : x
  2. Step 2: Convert to fraction form
    627,264.68/940,755.16 = 290,120.34/x
  3. Step 3: Cross multiply
    627,264.68x = 940,755.16 × 290,120.34
  4. Step 4: Simplify right side
    627,264.68x = 272,932,206,875.95
  5. Step 5: Solve for x
    x = 272,932,206,875.95/627,264.68
  6. Step 6: Final answer
    x = 435,114.90

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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.