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Finding the Fourth Proportional to 565,957.09, 781,078.08 and 324,271.72

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Solution

The fourth proportional to 565,957.09, 781,078.08 and 324,271.72 is: 447,527.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,957.09 : 781,078.08 = 324,271.72 : x
  2. Step 2: Convert to fraction form
    565,957.09/781,078.08 = 324,271.72/x
  3. Step 3: Cross multiply
    565,957.09x = 781,078.08 × 324,271.72
  4. Step 4: Simplify right side
    565,957.09x = 253,281,532,455.90
  5. Step 5: Solve for x
    x = 253,281,532,455.90/565,957.09
  6. Step 6: Final answer
    x = 447,527.80

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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.