Home / 957,822.71-1,321,805.66-522,236.45

Finding the Fourth Proportional to 957,822.71, 1,321,805.66 and 522,236.45

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Solution

The fourth proportional to 957,822.71, 1,321,805.66 and 522,236.45 is: 720,691.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    957,822.71 : 1,321,805.66 = 522,236.45 : x
  2. Step 2: Convert to fraction form
    957,822.71/1,321,805.66 = 522,236.45/x
  3. Step 3: Cross multiply
    957,822.71x = 1,321,805.66 × 522,236.45
  4. Step 4: Simplify right side
    957,822.71x = 690,295,096,161.64
  5. Step 5: Solve for x
    x = 690,295,096,161.64/957,822.71
  6. Step 6: Final answer
    x = 720,691.93

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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.