Home / 999,538.29-1,499,306.31-325,618.56

Finding the Fourth Proportional to 999,538.29, 1,499,306.31 and 325,618.56

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Solution

The fourth proportional to 999,538.29, 1,499,306.31 and 325,618.56 is: 488,427.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,538.29 : 1,499,306.31 = 325,618.56 : x
  2. Step 2: Convert to fraction form
    999,538.29/1,499,306.31 = 325,618.56/x
  3. Step 3: Cross multiply
    999,538.29x = 1,499,306.31 × 325,618.56
  4. Step 4: Simplify right side
    999,538.29x = 488,201,961,661.11
  5. Step 5: Solve for x
    x = 488,201,961,661.11/999,538.29
  6. Step 6: Final answer
    x = 488,427.47

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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.