Home / 577,795.18-865,982.90-324,543.28

Finding the Fourth Proportional to 577,795.18, 865,982.90 and 324,543.28

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Solution

The fourth proportional to 577,795.18, 865,982.90 and 324,543.28 is: 486,416.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,795.18 : 865,982.90 = 324,543.28 : x
  2. Step 2: Convert to fraction form
    577,795.18/865,982.90 = 324,543.28/x
  3. Step 3: Cross multiply
    577,795.18x = 865,982.90 × 324,543.28
  4. Step 4: Simplify right side
    577,795.18x = 281,048,930,789.91
  5. Step 5: Solve for x
    x = 281,048,930,789.91/577,795.18
  6. Step 6: Final answer
    x = 486,416.19

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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.