Home / 752,215.48-1,127,603.82-278,773.72

Finding the Fourth Proportional to 752,215.48, 1,127,603.82 and 278,773.72

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Solution

The fourth proportional to 752,215.48, 1,127,603.82 and 278,773.72 is: 417,893.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,215.48 : 1,127,603.82 = 278,773.72 : x
  2. Step 2: Convert to fraction form
    752,215.48/1,127,603.82 = 278,773.72/x
  3. Step 3: Cross multiply
    752,215.48x = 1,127,603.82 × 278,773.72
  4. Step 4: Simplify right side
    752,215.48x = 314,346,311,587.61
  5. Step 5: Solve for x
    x = 314,346,311,587.61/752,215.48
  6. Step 6: Final answer
    x = 417,893.97

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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.