Home / 786,245.76-1,179,362.16-225,280.80

Finding the Fourth Proportional to 786,245.76, 1,179,362.16 and 225,280.80

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Solution

The fourth proportional to 786,245.76, 1,179,362.16 and 225,280.80 is: 337,919.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,245.76 : 1,179,362.16 = 225,280.80 : x
  2. Step 2: Convert to fraction form
    786,245.76/1,179,362.16 = 225,280.80/x
  3. Step 3: Cross multiply
    786,245.76x = 1,179,362.16 × 225,280.80
  4. Step 4: Simplify right side
    786,245.76x = 265,687,650,894.53
  5. Step 5: Solve for x
    x = 265,687,650,894.53/786,245.76
  6. Step 6: Final answer
    x = 337,919.34

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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.