Home / 721,072.85-1,081,526.66-188,645.27

Finding the Fourth Proportional to 721,072.85, 1,081,526.66 and 188,645.27

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Solution

The fourth proportional to 721,072.85, 1,081,526.66 and 188,645.27 is: 282,946.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    721,072.85 : 1,081,526.66 = 188,645.27 : x
  2. Step 2: Convert to fraction form
    721,072.85/1,081,526.66 = 188,645.27/x
  3. Step 3: Cross multiply
    721,072.85x = 1,081,526.66 × 188,645.27
  4. Step 4: Simplify right side
    721,072.85x = 204,024,890,548.49
  5. Step 5: Solve for x
    x = 204,024,890,548.49/721,072.85
  6. Step 6: Final answer
    x = 282,946.29

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Double scale
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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.