Home / 803,761.38-1,109,129.76-441,127.62

Finding the Fourth Proportional to 803,761.38, 1,109,129.76 and 441,127.62

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Solution

The fourth proportional to 803,761.38, 1,109,129.76 and 441,127.62 is: 608,722.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,761.38 : 1,109,129.76 = 441,127.62 : x
  2. Step 2: Convert to fraction form
    803,761.38/1,109,129.76 = 441,127.62/x
  3. Step 3: Cross multiply
    803,761.38x = 1,109,129.76 × 441,127.62
  4. Step 4: Simplify right side
    803,761.38x = 489,267,771,299.97
  5. Step 5: Solve for x
    x = 489,267,771,299.97/803,761.38
  6. Step 6: Final answer
    x = 608,722.67

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Double scale
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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.