Home / 753,723.20-1,130,584.80-434,858.60

Finding the Fourth Proportional to 753,723.20, 1,130,584.80 and 434,858.60

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Solution

The fourth proportional to 753,723.20, 1,130,584.80 and 434,858.60 is: 652,287.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,723.20 : 1,130,584.80 = 434,858.60 : x
  2. Step 2: Convert to fraction form
    753,723.20/1,130,584.80 = 434,858.60/x
  3. Step 3: Cross multiply
    753,723.20x = 1,130,584.80 × 434,858.60
  4. Step 4: Simplify right side
    753,723.20x = 491,644,523,309.28
  5. Step 5: Solve for x
    x = 491,644,523,309.28/753,723.20
  6. Step 6: Final answer
    x = 652,287.90

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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.