Home / 902,200.19-1,245,036.24-494,317.49

Finding the Fourth Proportional to 902,200.19, 1,245,036.24 and 494,317.49

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Solution

The fourth proportional to 902,200.19, 1,245,036.24 and 494,317.49 is: 682,158.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    902,200.19 : 1,245,036.24 = 494,317.49 : x
  2. Step 2: Convert to fraction form
    902,200.19/1,245,036.24 = 494,317.49/x
  3. Step 3: Cross multiply
    902,200.19x = 1,245,036.24 × 494,317.49
  4. Step 4: Simplify right side
    902,200.19x = 615,443,182,890.66
  5. Step 5: Solve for x
    x = 615,443,182,890.66/902,200.19
  6. Step 6: Final answer
    x = 682,158.12

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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.