Home / 743,894.28-1,012,840.45-741,532.32

Finding the Fourth Proportional to 743,894.28, 1,012,840.45 and 741,532.32

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Solution

The fourth proportional to 743,894.28, 1,012,840.45 and 741,532.32 is: 1,009,624.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,894.28 : 1,012,840.45 = 741,532.32 : x
  2. Step 2: Convert to fraction form
    743,894.28/1,012,840.45 = 741,532.32/x
  3. Step 3: Cross multiply
    743,894.28x = 1,012,840.45 × 741,532.32
  4. Step 4: Simplify right side
    743,894.28x = 751,053,923,614.14
  5. Step 5: Solve for x
    x = 751,053,923,614.14/743,894.28
  6. Step 6: Final answer
    x = 1,009,624.55

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.