Home / 754,532.40-1,131,788.58-185,920.30

Finding the Fourth Proportional to 754,532.40, 1,131,788.58 and 185,920.30

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Solution

The fourth proportional to 754,532.40, 1,131,788.58 and 185,920.30 is: 278,877.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,532.40 : 1,131,788.58 = 185,920.30 : x
  2. Step 2: Convert to fraction form
    754,532.40/1,131,788.58 = 185,920.30/x
  3. Step 3: Cross multiply
    754,532.40x = 1,131,788.58 × 185,920.30
  4. Step 4: Simplify right side
    754,532.40x = 210,422,472,330.17
  5. Step 5: Solve for x
    x = 210,422,472,330.17/754,532.40
  6. Step 6: Final answer
    x = 278,877.98

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Double scale
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Similar ratio
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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.