Home / 999,537.35-1,499,304.78-325,617.53

Finding the Fourth Proportional to 999,537.35, 1,499,304.78 and 325,617.53

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Solution

The fourth proportional to 999,537.35, 1,499,304.78 and 325,617.53 is: 488,425.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,537.35 : 1,499,304.78 = 325,617.53 : x
  2. Step 2: Convert to fraction form
    999,537.35/1,499,304.78 = 325,617.53/x
  3. Step 3: Cross multiply
    999,537.35x = 1,499,304.78 × 325,617.53
  4. Step 4: Simplify right side
    999,537.35x = 488,199,911,684.27
  5. Step 5: Solve for x
    x = 488,199,911,684.27/999,537.35
  6. Step 6: Final answer
    x = 488,425.88

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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.