Home / 819,874.23-1,129,099.46-704,313.15

Finding the Fourth Proportional to 819,874.23, 1,129,099.46 and 704,313.15

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Solution

The fourth proportional to 819,874.23, 1,129,099.46 and 704,313.15 is: 969,953.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    819,874.23 : 1,129,099.46 = 704,313.15 : x
  2. Step 2: Convert to fraction form
    819,874.23/1,129,099.46 = 704,313.15/x
  3. Step 3: Cross multiply
    819,874.23x = 1,129,099.46 × 704,313.15
  4. Step 4: Simplify right side
    819,874.23x = 795,239,597,335.90
  5. Step 5: Solve for x
    x = 795,239,597,335.90/819,874.23
  6. Step 6: Final answer
    x = 969,953.16

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Double scale
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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.