Home / 767,601.72-1,150,909.88-318,632.49

Finding the Fourth Proportional to 767,601.72, 1,150,909.88 and 318,632.49

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Solution

The fourth proportional to 767,601.72, 1,150,909.88 and 318,632.49 is: 477,744.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,601.72 : 1,150,909.88 = 318,632.49 : x
  2. Step 2: Convert to fraction form
    767,601.72/1,150,909.88 = 318,632.49/x
  3. Step 3: Cross multiply
    767,601.72x = 1,150,909.88 × 318,632.49
  4. Step 4: Simplify right side
    767,601.72x = 366,717,279,236.84
  5. Step 5: Solve for x
    x = 366,717,279,236.84/767,601.72
  6. Step 6: Final answer
    x = 477,744.21

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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.