Home / 876,270.24-1,209,116.16-494,287.20

Finding the Fourth Proportional to 876,270.24, 1,209,116.16 and 494,287.20

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Solution

The fourth proportional to 876,270.24, 1,209,116.16 and 494,287.20 is: 682,039.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,270.24 : 1,209,116.16 = 494,287.20 : x
  2. Step 2: Convert to fraction form
    876,270.24/1,209,116.16 = 494,287.20/x
  3. Step 3: Cross multiply
    876,270.24x = 1,209,116.16 × 494,287.20
  4. Step 4: Simplify right side
    876,270.24x = 597,650,641,201.15
  5. Step 5: Solve for x
    x = 597,650,641,201.15/876,270.24
  6. Step 6: Final answer
    x = 682,039.19

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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.