Home / 756,112.40-1,134,276.60-223,564.40

Finding the Fourth Proportional to 756,112.40, 1,134,276.60 and 223,564.40

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Solution

The fourth proportional to 756,112.40, 1,134,276.60 and 223,564.40 is: 335,378.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,112.40 : 1,134,276.60 = 223,564.40 : x
  2. Step 2: Convert to fraction form
    756,112.40/1,134,276.60 = 223,564.40/x
  3. Step 3: Cross multiply
    756,112.40x = 1,134,276.60 × 223,564.40
  4. Step 4: Simplify right side
    756,112.40x = 253,583,867,513.04
  5. Step 5: Solve for x
    x = 253,583,867,513.04/756,112.40
  6. Step 6: Final answer
    x = 335,378.53

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Double scale
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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.