Home / 750,740.51-1,126,172.23-218,260.89

Finding the Fourth Proportional to 750,740.51, 1,126,172.23 and 218,260.89

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Solution

The fourth proportional to 750,740.51, 1,126,172.23 and 218,260.89 is: 327,409.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,740.51 : 1,126,172.23 = 218,260.89 : x
  2. Step 2: Convert to fraction form
    750,740.51/1,126,172.23 = 218,260.89/x
  3. Step 3: Cross multiply
    750,740.51x = 1,126,172.23 × 218,260.89
  4. Step 4: Simplify right side
    750,740.51x = 245,799,352,667.43
  5. Step 5: Solve for x
    x = 245,799,352,667.43/750,740.51
  6. Step 6: Final answer
    x = 327,409.20

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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.