Home / 627,363.78-940,516.63-272,110.23

Finding the Fourth Proportional to 627,363.78, 940,516.63 and 272,110.23

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Solution

The fourth proportional to 627,363.78, 940,516.63 and 272,110.23 is: 407,935.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,363.78 : 940,516.63 = 272,110.23 : x
  2. Step 2: Convert to fraction form
    627,363.78/940,516.63 = 272,110.23/x
  3. Step 3: Cross multiply
    627,363.78x = 940,516.63 × 272,110.23
  4. Step 4: Simplify right side
    627,363.78x = 255,924,195,827.85
  5. Step 5: Solve for x
    x = 255,924,195,827.85/627,363.78
  6. Step 6: Final answer
    x = 407,935.88

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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.