Home / 775,242.47-1,162,863.72-242,805.17

Finding the Fourth Proportional to 775,242.47, 1,162,863.72 and 242,805.17

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Solution

The fourth proportional to 775,242.47, 1,162,863.72 and 242,805.17 is: 364,207.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,242.47 : 1,162,863.72 = 242,805.17 : x
  2. Step 2: Convert to fraction form
    775,242.47/1,162,863.72 = 242,805.17/x
  3. Step 3: Cross multiply
    775,242.47x = 1,162,863.72 × 242,805.17
  4. Step 4: Simplify right side
    775,242.47x = 282,349,326,128.59
  5. Step 5: Solve for x
    x = 282,349,326,128.59/775,242.47
  6. Step 6: Final answer
    x = 364,207.76

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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.