Home / 750,069.18-1,125,103.77-329,348.70

Finding the Fourth Proportional to 750,069.18, 1,125,103.77 and 329,348.70

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Solution

The fourth proportional to 750,069.18, 1,125,103.77 and 329,348.70 is: 494,023.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,069.18 : 1,125,103.77 = 329,348.70 : x
  2. Step 2: Convert to fraction form
    750,069.18/1,125,103.77 = 329,348.70/x
  3. Step 3: Cross multiply
    750,069.18x = 1,125,103.77 × 329,348.70
  4. Step 4: Simplify right side
    750,069.18x = 370,551,464,014.60
  5. Step 5: Solve for x
    x = 370,551,464,014.60/750,069.18
  6. Step 6: Final answer
    x = 494,023.05

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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.