Home / 957,618.72-1,321,517.84-527,889.42

Finding the Fourth Proportional to 957,618.72, 1,321,517.84 and 527,889.42

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Solution

The fourth proportional to 957,618.72, 1,321,517.84 and 527,889.42 is: 728,489.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    957,618.72 : 1,321,517.84 = 527,889.42 : x
  2. Step 2: Convert to fraction form
    957,618.72/1,321,517.84 = 527,889.42/x
  3. Step 3: Cross multiply
    957,618.72x = 1,321,517.84 × 527,889.42
  4. Step 4: Simplify right side
    957,618.72x = 697,615,283,437.81
  5. Step 5: Solve for x
    x = 697,615,283,437.81/957,618.72
  6. Step 6: Final answer
    x = 728,489.61

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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.