Home / 627,265.30-940,756.10-290,120.96

Finding the Fourth Proportional to 627,265.30, 940,756.10 and 290,120.96

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Solution

The fourth proportional to 627,265.30, 940,756.10 and 290,120.96 is: 435,115.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,265.30 : 940,756.10 = 290,120.96 : x
  2. Step 2: Convert to fraction form
    627,265.30/940,756.10 = 290,120.96/x
  3. Step 3: Cross multiply
    627,265.30x = 940,756.10 × 290,120.96
  4. Step 4: Simplify right side
    627,265.30x = 272,933,056,703.47
  5. Step 5: Solve for x
    x = 272,933,056,703.47/627,265.30
  6. Step 6: Final answer
    x = 435,115.82

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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.