Home / 756,100.70-1,134,151.05-223,574.30

Finding the Fourth Proportional to 756,100.70, 1,134,151.05 and 223,574.30

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Solution

The fourth proportional to 756,100.70, 1,134,151.05 and 223,574.30 is: 335,361.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,100.70 : 1,134,151.05 = 223,574.30 : x
  2. Step 2: Convert to fraction form
    756,100.70/1,134,151.05 = 223,574.30/x
  3. Step 3: Cross multiply
    756,100.70x = 1,134,151.05 × 223,574.30
  4. Step 4: Simplify right side
    756,100.70x = 253,567,027,098.02
  5. Step 5: Solve for x
    x = 253,567,027,098.02/756,100.70
  6. Step 6: Final answer
    x = 335,361.45

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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.