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Finding the Fourth Proportional to 560,850.76, 839,934.98 and 323,473.78

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Solution

The fourth proportional to 560,850.76, 839,934.98 and 323,473.78 is: 484,437.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,850.76 : 839,934.98 = 323,473.78 : x
  2. Step 2: Convert to fraction form
    560,850.76/839,934.98 = 323,473.78/x
  3. Step 3: Cross multiply
    560,850.76x = 839,934.98 × 323,473.78
  4. Step 4: Simplify right side
    560,850.76x = 271,696,942,934.82
  5. Step 5: Solve for x
    x = 271,696,942,934.82/560,850.76
  6. Step 6: Final answer
    x = 484,437.15

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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.