Home / 827,526.22-1,241,287.47-220,314.70

Finding the Fourth Proportional to 827,526.22, 1,241,287.47 and 220,314.70

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Solution

The fourth proportional to 827,526.22, 1,241,287.47 and 220,314.70 is: 330,471.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,526.22 : 1,241,287.47 = 220,314.70 : x
  2. Step 2: Convert to fraction form
    827,526.22/1,241,287.47 = 220,314.70/x
  3. Step 3: Cross multiply
    827,526.22x = 1,241,287.47 × 220,314.70
  4. Step 4: Simplify right side
    827,526.22x = 273,473,876,566.81
  5. Step 5: Solve for x
    x = 273,473,876,566.81/827,526.22
  6. Step 6: Final answer
    x = 330,471.55

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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.