Home / 748,829.80-1,035,375.78-654,351.40

Finding the Fourth Proportional to 748,829.80, 1,035,375.78 and 654,351.40

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Solution

The fourth proportional to 748,829.80, 1,035,375.78 and 654,351.40 is: 904,744.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,829.80 : 1,035,375.78 = 654,351.40 : x
  2. Step 2: Convert to fraction form
    748,829.80/1,035,375.78 = 654,351.40/x
  3. Step 3: Cross multiply
    748,829.80x = 1,035,375.78 × 654,351.40
  4. Step 4: Simplify right side
    748,829.80x = 677,499,591,169.09
  5. Step 5: Solve for x
    x = 677,499,591,169.09/748,829.80
  6. Step 6: Final answer
    x = 904,744.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.