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Finding the Fourth Proportional to 522,025.20, 781,288.20 and 364,561.20

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Solution

The fourth proportional to 522,025.20, 781,288.20 and 364,561.20 is: 545,619.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,025.20 : 781,288.20 = 364,561.20 : x
  2. Step 2: Convert to fraction form
    522,025.20/781,288.20 = 364,561.20/x
  3. Step 3: Cross multiply
    522,025.20x = 781,288.20 × 364,561.20
  4. Step 4: Simplify right side
    522,025.20x = 284,827,363,737.84
  5. Step 5: Solve for x
    x = 284,827,363,737.84/522,025.20
  6. Step 6: Final answer
    x = 545,619.95

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1.5x scale

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.