Home / 627,126.20-940,775.70-272,130.20

Finding the Fourth Proportional to 627,126.20, 940,775.70 and 272,130.20

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Solution

The fourth proportional to 627,126.20, 940,775.70 and 272,130.20 is: 408,232.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,126.20 : 940,775.70 = 272,130.20 : x
  2. Step 2: Convert to fraction form
    627,126.20/940,775.70 = 272,130.20/x
  3. Step 3: Cross multiply
    627,126.20x = 940,775.70 × 272,130.20
  4. Step 4: Simplify right side
    627,126.20x = 256,013,479,396.14
  5. Step 5: Solve for x
    x = 256,013,479,396.14/627,126.20
  6. Step 6: Final answer
    x = 408,232.79

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1.5x scale

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.