Home / 806,009.26-1,112,292.72-443,425.36

Finding the Fourth Proportional to 806,009.26, 1,112,292.72 and 443,425.36

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Solution

The fourth proportional to 806,009.26, 1,112,292.72 and 443,425.36 is: 611,926.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,009.26 : 1,112,292.72 = 443,425.36 : x
  2. Step 2: Convert to fraction form
    806,009.26/1,112,292.72 = 443,425.36/x
  3. Step 3: Cross multiply
    806,009.26x = 1,112,292.72 × 443,425.36
  4. Step 4: Simplify right side
    806,009.26x = 493,218,799,791.38
  5. Step 5: Solve for x
    x = 493,218,799,791.38/806,009.26
  6. Step 6: Final answer
    x = 611,926.96

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.