Home / 849,631.28-1,172,481.92-467,649.84

Finding the Fourth Proportional to 849,631.28, 1,172,481.92 and 467,649.84

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Solution

The fourth proportional to 849,631.28, 1,172,481.92 and 467,649.84 is: 645,351.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,631.28 : 1,172,481.92 = 467,649.84 : x
  2. Step 2: Convert to fraction form
    849,631.28/1,172,481.92 = 467,649.84/x
  3. Step 3: Cross multiply
    849,631.28x = 1,172,481.92 × 467,649.84
  4. Step 4: Simplify right side
    849,631.28x = 548,310,982,290.89
  5. Step 5: Solve for x
    x = 548,310,982,290.89/849,631.28
  6. Step 6: Final answer
    x = 645,351.69

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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.