Home / 802,133.60-1,203,236.49-262,420.61

Finding the Fourth Proportional to 802,133.60, 1,203,236.49 and 262,420.61

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Solution

The fourth proportional to 802,133.60, 1,203,236.49 and 262,420.61 is: 393,642.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    802,133.60 : 1,203,236.49 = 262,420.61 : x
  2. Step 2: Convert to fraction form
    802,133.60/1,203,236.49 = 262,420.61/x
  3. Step 3: Cross multiply
    802,133.60x = 1,203,236.49 × 262,420.61
  4. Step 4: Simplify right side
    802,133.60x = 315,754,053,680.06
  5. Step 5: Solve for x
    x = 315,754,053,680.06/802,133.60
  6. Step 6: Final answer
    x = 393,642.72

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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.