Home / 741,812.12-1,112,427.04-261,937.60

Finding the Fourth Proportional to 741,812.12, 1,112,427.04 and 261,937.60

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Solution

The fourth proportional to 741,812.12, 1,112,427.04 and 261,937.60 is: 392,803.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,812.12 : 1,112,427.04 = 261,937.60 : x
  2. Step 2: Convert to fraction form
    741,812.12/1,112,427.04 = 261,937.60/x
  3. Step 3: Cross multiply
    741,812.12x = 1,112,427.04 × 261,937.60
  4. Step 4: Simplify right side
    741,812.12x = 291,386,469,032.70
  5. Step 5: Solve for x
    x = 291,386,469,032.70/741,812.12
  6. Step 6: Final answer
    x = 392,803.60

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1.5x scale

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.