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Finding the Fourth Proportional to 637,549.20, 955,879.91 and 282,370.68

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Solution

The fourth proportional to 637,549.20, 955,879.91 and 282,370.68 is: 423,359.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,549.20 : 955,879.91 = 282,370.68 : x
  2. Step 2: Convert to fraction form
    637,549.20/955,879.91 = 282,370.68/x
  3. Step 3: Cross multiply
    637,549.20x = 955,879.91 × 282,370.68
  4. Step 4: Simplify right side
    637,549.20x = 269,912,455,405.64
  5. Step 5: Solve for x
    x = 269,912,455,405.64/637,549.20
  6. Step 6: Final answer
    x = 423,359.42

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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.