Home / 412,811.20-618,619.17-284,595.87

Finding the Fourth Proportional to 412,811.20, 618,619.17 and 284,595.87

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Solution

The fourth proportional to 412,811.20, 618,619.17 and 284,595.87 is: 426,481.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,811.20 : 618,619.17 = 284,595.87 : x
  2. Step 2: Convert to fraction form
    412,811.20/618,619.17 = 284,595.87/x
  3. Step 3: Cross multiply
    412,811.20x = 618,619.17 × 284,595.87
  4. Step 4: Simplify right side
    412,811.20x = 176,056,460,884.83
  5. Step 5: Solve for x
    x = 176,056,460,884.83/412,811.20
  6. Step 6: Final answer
    x = 426,481.79

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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.