Home / 432,998.20-648,575.70-359,270.20

Finding the Fourth Proportional to 432,998.20, 648,575.70 and 359,270.20

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Solution

The fourth proportional to 432,998.20, 648,575.70 and 359,270.20 is: 538,140.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,998.20 : 648,575.70 = 359,270.20 : x
  2. Step 2: Convert to fraction form
    432,998.20/648,575.70 = 359,270.20/x
  3. Step 3: Cross multiply
    432,998.20x = 648,575.70 × 359,270.20
  4. Step 4: Simplify right side
    432,998.20x = 233,013,921,454.14
  5. Step 5: Solve for x
    x = 233,013,921,454.14/432,998.20
  6. Step 6: Final answer
    x = 538,140.62

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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.