Home / 756,259.20-1,134,388.80-223,862.40

Finding the Fourth Proportional to 756,259.20, 1,134,388.80 and 223,862.40

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Solution

The fourth proportional to 756,259.20, 1,134,388.80 and 223,862.40 is: 335,793.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,259.20 : 1,134,388.80 = 223,862.40 : x
  2. Step 2: Convert to fraction form
    756,259.20/1,134,388.80 = 223,862.40/x
  3. Step 3: Cross multiply
    756,259.20x = 1,134,388.80 × 223,862.40
  4. Step 4: Simplify right side
    756,259.20x = 253,946,999,301.12
  5. Step 5: Solve for x
    x = 253,946,999,301.12/756,259.20
  6. Step 6: Final answer
    x = 335,793.60

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Similar ratio
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1.5x scale

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.