Home / 767,534.40-1,151,301.60-206,568.90

Finding the Fourth Proportional to 767,534.40, 1,151,301.60 and 206,568.90

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Solution

The fourth proportional to 767,534.40, 1,151,301.60 and 206,568.90 is: 309,853.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,534.40 : 1,151,301.60 = 206,568.90 : x
  2. Step 2: Convert to fraction form
    767,534.40/1,151,301.60 = 206,568.90/x
  3. Step 3: Cross multiply
    767,534.40x = 1,151,301.60 × 206,568.90
  4. Step 4: Simplify right side
    767,534.40x = 237,823,105,080.24
  5. Step 5: Solve for x
    x = 237,823,105,080.24/767,534.40
  6. Step 6: Final answer
    x = 309,853.35

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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.