Home / 750,928.59-1,126,539.90-330,203.25

Finding the Fourth Proportional to 750,928.59, 1,126,539.90 and 330,203.25

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Solution

The fourth proportional to 750,928.59, 1,126,539.90 and 330,203.25 is: 495,369.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,928.59 : 1,126,539.90 = 330,203.25 : x
  2. Step 2: Convert to fraction form
    750,928.59/1,126,539.90 = 330,203.25/x
  3. Step 3: Cross multiply
    750,928.59x = 1,126,539.90 × 330,203.25
  4. Step 4: Simplify right side
    750,928.59x = 371,987,136,234.68
  5. Step 5: Solve for x
    x = 371,987,136,234.68/750,928.59
  6. Step 6: Final answer
    x = 495,369.52

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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.