Home / 809,175.60-1,214,200.80-359,965.80

Finding the Fourth Proportional to 809,175.60, 1,214,200.80 and 359,965.80

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Solution

The fourth proportional to 809,175.60, 1,214,200.80 and 359,965.80 is: 540,143.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,175.60 : 1,214,200.80 = 359,965.80 : x
  2. Step 2: Convert to fraction form
    809,175.60/1,214,200.80 = 359,965.80/x
  3. Step 3: Cross multiply
    809,175.60x = 1,214,200.80 × 359,965.80
  4. Step 4: Simplify right side
    809,175.60x = 437,070,762,332.64
  5. Step 5: Solve for x
    x = 437,070,762,332.64/809,175.60
  6. Step 6: Final answer
    x = 540,143.28

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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.