Home / 756,145.60-1,134,218.40-223,625.19

Finding the Fourth Proportional to 756,145.60, 1,134,218.40 and 223,625.19

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Solution

The fourth proportional to 756,145.60, 1,134,218.40 and 223,625.19 is: 335,437.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,145.60 : 1,134,218.40 = 223,625.19 : x
  2. Step 2: Convert to fraction form
    756,145.60/1,134,218.40 = 223,625.19/x
  3. Step 3: Cross multiply
    756,145.60x = 1,134,218.40 × 223,625.19
  4. Step 4: Simplify right side
    756,145.60x = 253,639,805,201.50
  5. Step 5: Solve for x
    x = 253,639,805,201.50/756,145.60
  6. Step 6: Final answer
    x = 335,437.79

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Half scale
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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.