Home / 756,144.35-1,134,216.56-223,623.92

Finding the Fourth Proportional to 756,144.35, 1,134,216.56 and 223,623.92

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Solution

The fourth proportional to 756,144.35, 1,134,216.56 and 223,623.92 is: 335,435.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,144.35 : 1,134,216.56 = 223,623.92 : x
  2. Step 2: Convert to fraction form
    756,144.35/1,134,216.56 = 223,623.92/x
  3. Step 3: Cross multiply
    756,144.35x = 1,134,216.56 × 223,623.92
  4. Step 4: Simplify right side
    756,144.35x = 253,637,953,276.12
  5. Step 5: Solve for x
    x = 253,637,953,276.12/756,144.35
  6. Step 6: Final answer
    x = 335,435.89

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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.