Home / 750,740.90-1,126,172.79-218,261.27

Finding the Fourth Proportional to 750,740.90, 1,126,172.79 and 218,261.27

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Solution

The fourth proportional to 750,740.90, 1,126,172.79 and 218,261.27 is: 327,409.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,740.90 : 1,126,172.79 = 218,261.27 : x
  2. Step 2: Convert to fraction form
    750,740.90/1,126,172.79 = 218,261.27/x
  3. Step 3: Cross multiply
    750,740.90x = 1,126,172.79 × 218,261.27
  4. Step 4: Simplify right side
    750,740.90x = 245,799,897,753.98
  5. Step 5: Solve for x
    x = 245,799,897,753.98/750,740.90
  6. Step 6: Final answer
    x = 327,409.76

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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.