Home / 627,344.75-940,488.14-272,091.20

Finding the Fourth Proportional to 627,344.75, 940,488.14 and 272,091.20

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Solution

The fourth proportional to 627,344.75, 940,488.14 and 272,091.20 is: 407,907.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,344.75 : 940,488.14 = 272,091.20 : x
  2. Step 2: Convert to fraction form
    627,344.75/940,488.14 = 272,091.20/x
  3. Step 3: Cross multiply
    627,344.75x = 940,488.14 × 272,091.20
  4. Step 4: Simplify right side
    627,344.75x = 255,898,547,101.15
  5. Step 5: Solve for x
    x = 255,898,547,101.15/627,344.75
  6. Step 6: Final answer
    x = 407,907.37

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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.