Home / 627,354.91-940,503.37-272,101.45

Finding the Fourth Proportional to 627,354.91, 940,503.37 and 272,101.45

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Solution

The fourth proportional to 627,354.91, 940,503.37 and 272,101.45 is: 407,922.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,354.91 : 940,503.37 = 272,101.45 : x
  2. Step 2: Convert to fraction form
    627,354.91/940,503.37 = 272,101.45/x
  3. Step 3: Cross multiply
    627,354.91x = 940,503.37 × 272,101.45
  4. Step 4: Simplify right side
    627,354.91x = 255,912,330,706.89
  5. Step 5: Solve for x
    x = 255,912,330,706.89/627,354.91
  6. Step 6: Final answer
    x = 407,922.74

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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.