Home / 756,144.60-1,134,216.90-223,624.19

Finding the Fourth Proportional to 756,144.60, 1,134,216.90 and 223,624.19

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Solution

The fourth proportional to 756,144.60, 1,134,216.90 and 223,624.19 is: 335,436.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,144.60 : 1,134,216.90 = 223,624.19 : x
  2. Step 2: Convert to fraction form
    756,144.60/1,134,216.90 = 223,624.19/x
  3. Step 3: Cross multiply
    756,144.60x = 1,134,216.90 × 223,624.19
  4. Step 4: Simplify right side
    756,144.60x = 253,638,329,875.73
  5. Step 5: Solve for x
    x = 253,638,329,875.73/756,144.60
  6. Step 6: Final answer
    x = 335,436.28

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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.