Home / 849,404.20-1,172,188.50-467,422.60

Finding the Fourth Proportional to 849,404.20, 1,172,188.50 and 467,422.60

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Solution

The fourth proportional to 849,404.20, 1,172,188.50 and 467,422.60 is: 645,049.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,404.20 : 1,172,188.50 = 467,422.60 : x
  2. Step 2: Convert to fraction form
    849,404.20/1,172,188.50 = 467,422.60/x
  3. Step 3: Cross multiply
    849,404.20x = 1,172,188.50 × 467,422.60
  4. Step 4: Simplify right side
    849,404.20x = 547,907,396,360.10
  5. Step 5: Solve for x
    x = 547,907,396,360.10/849,404.20
  6. Step 6: Final answer
    x = 645,049.08

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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.