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Finding the Fourth Proportional to 888,000.10, 1,332,000.15 and 806,643.70

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Solution

The fourth proportional to 888,000.10, 1,332,000.15 and 806,643.70 is: 1,209,965.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,000.10 : 1,332,000.15 = 806,643.70 : x
  2. Step 2: Convert to fraction form
    888,000.10/1,332,000.15 = 806,643.70/x
  3. Step 3: Cross multiply
    888,000.10x = 1,332,000.15 × 806,643.70
  4. Step 4: Simplify right side
    888,000.10x = 1,074,449,529,396.55
  5. Step 5: Solve for x
    x = 1,074,449,529,396.55/888,000.10
  6. Step 6: Final answer
    x = 1,209,965.55

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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.