Home / 417,159.04-576,154.56-282,789.76

Finding the Fourth Proportional to 417,159.04, 576,154.56 and 282,789.76

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Solution

The fourth proportional to 417,159.04, 576,154.56 and 282,789.76 is: 390,571.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,159.04 : 576,154.56 = 282,789.76 : x
  2. Step 2: Convert to fraction form
    417,159.04/576,154.56 = 282,789.76/x
  3. Step 3: Cross multiply
    417,159.04x = 576,154.56 × 282,789.76
  4. Step 4: Simplify right side
    417,159.04x = 162,930,609,745.31
  5. Step 5: Solve for x
    x = 162,930,609,745.31/417,159.04
  6. Step 6: Final answer
    x = 390,571.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.