Home / 744,022.56-1,115,865.72-211,531.92

Finding the Fourth Proportional to 744,022.56, 1,115,865.72 and 211,531.92

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Solution

The fourth proportional to 744,022.56, 1,115,865.72 and 211,531.92 is: 317,250.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,022.56 : 1,115,865.72 = 211,531.92 : x
  2. Step 2: Convert to fraction form
    744,022.56/1,115,865.72 = 211,531.92/x
  3. Step 3: Cross multiply
    744,022.56x = 1,115,865.72 × 211,531.92
  4. Step 4: Simplify right side
    744,022.56x = 236,041,218,213.78
  5. Step 5: Solve for x
    x = 236,041,218,213.78/744,022.56
  6. Step 6: Final answer
    x = 317,250.08

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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.