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Finding the Fourth Proportional to 447,332.88, 617,000.64 and 275,025.12

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Solution

The fourth proportional to 447,332.88, 617,000.64 and 275,025.12 is: 379,338.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,332.88 : 617,000.64 = 275,025.12 : x
  2. Step 2: Convert to fraction form
    447,332.88/617,000.64 = 275,025.12/x
  3. Step 3: Cross multiply
    447,332.88x = 617,000.64 × 275,025.12
  4. Step 4: Simplify right side
    447,332.88x = 169,690,675,056.08
  5. Step 5: Solve for x
    x = 169,690,675,056.08/447,332.88
  6. Step 6: Final answer
    x = 379,338.70

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1.5x scale

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.