Home / 627,901.32-941,844.24-154,590.78

Finding the Fourth Proportional to 627,901.32, 941,844.24 and 154,590.78

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Solution

The fourth proportional to 627,901.32, 941,844.24 and 154,590.78 is: 231,884.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,901.32 : 941,844.24 = 154,590.78 : x
  2. Step 2: Convert to fraction form
    627,901.32/941,844.24 = 154,590.78/x
  3. Step 3: Cross multiply
    627,901.32x = 941,844.24 × 154,590.78
  4. Step 4: Simplify right side
    627,901.32x = 145,600,435,700.11
  5. Step 5: Solve for x
    x = 145,600,435,700.11/627,901.32
  6. Step 6: Final answer
    x = 231,884.26

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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.