Home / 767,041.88-1,150,728.90-293,727.26

Finding the Fourth Proportional to 767,041.88, 1,150,728.90 and 293,727.26

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Solution

The fourth proportional to 767,041.88, 1,150,728.90 and 293,727.26 is: 440,654.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,041.88 : 1,150,728.90 = 293,727.26 : x
  2. Step 2: Convert to fraction form
    767,041.88/1,150,728.90 = 293,727.26/x
  3. Step 3: Cross multiply
    767,041.88x = 1,150,728.90 × 293,727.26
  4. Step 4: Simplify right side
    767,041.88x = 338,000,446,799.81
  5. Step 5: Solve for x
    x = 338,000,446,799.81/767,041.88
  6. Step 6: Final answer
    x = 440,654.49

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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.