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Finding the Fourth Proportional to 543,634.20, 813,896.10 and 543,634.20

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Solution

The fourth proportional to 543,634.20, 813,896.10 and 543,634.20 is: 813,896.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,634.20 : 813,896.10 = 543,634.20 : x
  2. Step 2: Convert to fraction form
    543,634.20/813,896.10 = 543,634.20/x
  3. Step 3: Cross multiply
    543,634.20x = 813,896.10 × 543,634.20
  4. Step 4: Simplify right side
    543,634.20x = 442,461,755,206.62
  5. Step 5: Solve for x
    x = 442,461,755,206.62/543,634.20
  6. Step 6: Final answer
    x = 813,896.10

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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.