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Finding the Fourth Proportional to 800,832, 1,105,145.20 and 433,308.02

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Solution

The fourth proportional to 800,832, 1,105,145.20 and 433,308.02 is: 597,963.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,832 : 1,105,145.20 = 433,308.02 : x
  2. Step 2: Convert to fraction form
    800,832/1,105,145.20 = 433,308.02/x
  3. Step 3: Cross multiply
    800,832x = 1,105,145.20 × 433,308.02
  4. Step 4: Simplify right side
    800,832x = 478,868,278,424.50
  5. Step 5: Solve for x
    x = 478,868,278,424.50/800,832
  6. Step 6: Final answer
    x = 597,963.47

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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.