Home / 558,621.71-838,348.29-274,464.80

Finding the Fourth Proportional to 558,621.71, 838,348.29 and 274,464.80

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Solution

The fourth proportional to 558,621.71, 838,348.29 and 274,464.80 is: 411,901.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,621.71 : 838,348.29 = 274,464.80 : x
  2. Step 2: Convert to fraction form
    558,621.71/838,348.29 = 274,464.80/x
  3. Step 3: Cross multiply
    558,621.71x = 838,348.29 × 274,464.80
  4. Step 4: Simplify right side
    558,621.71x = 230,097,091,553.45
  5. Step 5: Solve for x
    x = 230,097,091,553.45/558,621.71
  6. Step 6: Final answer
    x = 411,901.45

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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.