Home / 767,041.79-1,150,728.75-293,727.15

Finding the Fourth Proportional to 767,041.79, 1,150,728.75 and 293,727.15

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Solution

The fourth proportional to 767,041.79, 1,150,728.75 and 293,727.15 is: 440,654.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,041.79 : 1,150,728.75 = 293,727.15 : x
  2. Step 2: Convert to fraction form
    767,041.79/1,150,728.75 = 293,727.15/x
  3. Step 3: Cross multiply
    767,041.79x = 1,150,728.75 × 293,727.15
  4. Step 4: Simplify right side
    767,041.79x = 338,000,276,160.56
  5. Step 5: Solve for x
    x = 338,000,276,160.56/767,041.79
  6. Step 6: Final answer
    x = 440,654.32

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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.