Home / 843,178.48-1,264,769.88-344,542.48

Finding the Fourth Proportional to 843,178.48, 1,264,769.88 and 344,542.48

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Solution

The fourth proportional to 843,178.48, 1,264,769.88 and 344,542.48 is: 516,814.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    843,178.48 : 1,264,769.88 = 344,542.48 : x
  2. Step 2: Convert to fraction form
    843,178.48/1,264,769.88 = 344,542.48/x
  3. Step 3: Cross multiply
    843,178.48x = 1,264,769.88 × 344,542.48
  4. Step 4: Simplify right side
    843,178.48x = 435,766,951,084.50
  5. Step 5: Solve for x
    x = 435,766,951,084.50/843,178.48
  6. Step 6: Final answer
    x = 516,814.60

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Double scale
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Similar ratio
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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.