Home / 780,079.64-1,169,985.66-247,481.96

Finding the Fourth Proportional to 780,079.64, 1,169,985.66 and 247,481.96

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Solution

The fourth proportional to 780,079.64, 1,169,985.66 and 247,481.96 is: 371,180.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    780,079.64 : 1,169,985.66 = 247,481.96 : x
  2. Step 2: Convert to fraction form
    780,079.64/1,169,985.66 = 247,481.96/x
  3. Step 3: Cross multiply
    780,079.64x = 1,169,985.66 × 247,481.96
  4. Step 4: Simplify right side
    780,079.64x = 289,550,344,308.69
  5. Step 5: Solve for x
    x = 289,550,344,308.69/780,079.64
  6. Step 6: Final answer
    x = 371,180.49

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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.