Home / 819,880.54-1,129,108.17-704,319.46

Finding the Fourth Proportional to 819,880.54, 1,129,108.17 and 704,319.46

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Solution

The fourth proportional to 819,880.54, 1,129,108.17 and 704,319.46 is: 969,961.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    819,880.54 : 1,129,108.17 = 704,319.46 : x
  2. Step 2: Convert to fraction form
    819,880.54/1,129,108.17 = 704,319.46/x
  3. Step 3: Cross multiply
    819,880.54x = 1,129,108.17 × 704,319.46
  4. Step 4: Simplify right side
    819,880.54x = 795,252,856,394.42
  5. Step 5: Solve for x
    x = 795,252,856,394.42/819,880.54
  6. Step 6: Final answer
    x = 969,961.87

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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.