Home / 876,490.38-1,209,532.19-494,552.70

Finding the Fourth Proportional to 876,490.38, 1,209,532.19 and 494,552.70

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Solution

The fourth proportional to 876,490.38, 1,209,532.19 and 494,552.70 is: 682,468.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,490.38 : 1,209,532.19 = 494,552.70 : x
  2. Step 2: Convert to fraction form
    876,490.38/1,209,532.19 = 494,552.70/x
  3. Step 3: Cross multiply
    876,490.38x = 1,209,532.19 × 494,552.70
  4. Step 4: Simplify right side
    876,490.38x = 598,177,407,828.65
  5. Step 5: Solve for x
    x = 598,177,407,828.65/876,490.38
  6. Step 6: Final answer
    x = 682,468.88

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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.