Home / 725,861.52-1,001,700.54-399,187.44

Finding the Fourth Proportional to 725,861.52, 1,001,700.54 and 399,187.44

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Solution

The fourth proportional to 725,861.52, 1,001,700.54 and 399,187.44 is: 550,885.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,861.52 : 1,001,700.54 = 399,187.44 : x
  2. Step 2: Convert to fraction form
    725,861.52/1,001,700.54 = 399,187.44/x
  3. Step 3: Cross multiply
    725,861.52x = 1,001,700.54 × 399,187.44
  4. Step 4: Simplify right side
    725,861.52x = 399,866,274,209.22
  5. Step 5: Solve for x
    x = 399,866,274,209.22/725,861.52
  6. Step 6: Final answer
    x = 550,885.07

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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.