Home / 765,811.80-1,148,883.48-233,318.88

Finding the Fourth Proportional to 765,811.80, 1,148,883.48 and 233,318.88

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Solution

The fourth proportional to 765,811.80, 1,148,883.48 and 233,318.88 is: 350,028.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,811.80 : 1,148,883.48 = 233,318.88 : x
  2. Step 2: Convert to fraction form
    765,811.80/1,148,883.48 = 233,318.88/x
  3. Step 3: Cross multiply
    765,811.80x = 1,148,883.48 × 233,318.88
  4. Step 4: Simplify right side
    765,811.80x = 268,056,206,804.10
  5. Step 5: Solve for x
    x = 268,056,206,804.10/765,811.80
  6. Step 6: Final answer
    x = 350,028.83

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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.