Home / 432,981.17-649,577.66-305,146.89

Finding the Fourth Proportional to 432,981.17, 649,577.66 and 305,146.89

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Solution

The fourth proportional to 432,981.17, 649,577.66 and 305,146.89 is: 457,794.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,981.17 : 649,577.66 = 305,146.89 : x
  2. Step 2: Convert to fraction form
    432,981.17/649,577.66 = 305,146.89/x
  3. Step 3: Cross multiply
    432,981.17x = 649,577.66 × 305,146.89
  4. Step 4: Simplify right side
    432,981.17x = 198,216,597,988.86
  5. Step 5: Solve for x
    x = 198,216,597,988.86/432,981.17
  6. Step 6: Final answer
    x = 457,794.96

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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.