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Finding the Fourth Proportional to 565,950.47, 781,068.94 and 324,265.10

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Solution

The fourth proportional to 565,950.47, 781,068.94 and 324,265.10 is: 447,518.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,950.47 : 781,068.94 = 324,265.10 : x
  2. Step 2: Convert to fraction form
    565,950.47/781,068.94 = 324,265.10/x
  3. Step 3: Cross multiply
    565,950.47x = 781,068.94 × 324,265.10
  4. Step 4: Simplify right side
    565,950.47x = 253,273,393,219.99
  5. Step 5: Solve for x
    x = 253,273,393,219.99/565,950.47
  6. Step 6: Final answer
    x = 447,518.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.