Home / 741,637.20-1,112,455.80-209,151.30

Finding the Fourth Proportional to 741,637.20, 1,112,455.80 and 209,151.30

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Solution

The fourth proportional to 741,637.20, 1,112,455.80 and 209,151.30 is: 313,726.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,637.20 : 1,112,455.80 = 209,151.30 : x
  2. Step 2: Convert to fraction form
    741,637.20/1,112,455.80 = 209,151.30/x
  3. Step 3: Cross multiply
    741,637.20x = 1,112,455.80 × 209,151.30
  4. Step 4: Simplify right side
    741,637.20x = 232,671,576,762.54
  5. Step 5: Solve for x
    x = 232,671,576,762.54/741,637.20
  6. Step 6: Final answer
    x = 313,726.95

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Double scale
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Similar ratio
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.