Home / 756,016.60-1,133,150.10-306,515.20

Finding the Fourth Proportional to 756,016.60, 1,133,150.10 and 306,515.20

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Solution

The fourth proportional to 756,016.60, 1,133,150.10 and 306,515.20 is: 459,418.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,016.60 : 1,133,150.10 = 306,515.20 : x
  2. Step 2: Convert to fraction form
    756,016.60/1,133,150.10 = 306,515.20/x
  3. Step 3: Cross multiply
    756,016.60x = 1,133,150.10 × 306,515.20
  4. Step 4: Simplify right side
    756,016.60x = 347,327,729,531.52
  5. Step 5: Solve for x
    x = 347,327,729,531.52/756,016.60
  6. Step 6: Final answer
    x = 459,418.13

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Double scale
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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.