Home / 925,387.20-1,276,754.40-543,196.80

Finding the Fourth Proportional to 925,387.20, 1,276,754.40 and 543,196.80

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Solution

The fourth proportional to 925,387.20, 1,276,754.40 and 543,196.80 is: 749,447.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    925,387.20 : 1,276,754.40 = 543,196.80 : x
  2. Step 2: Convert to fraction form
    925,387.20/1,276,754.40 = 543,196.80/x
  3. Step 3: Cross multiply
    925,387.20x = 1,276,754.40 × 543,196.80
  4. Step 4: Simplify right side
    925,387.20x = 693,528,904,465.92
  5. Step 5: Solve for x
    x = 693,528,904,465.92/925,387.20
  6. Step 6: Final answer
    x = 749,447.26

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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.