Home / 999,373.31-1,499,164.97-325,507.08

Finding the Fourth Proportional to 999,373.31, 1,499,164.97 and 325,507.08

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Solution

The fourth proportional to 999,373.31, 1,499,164.97 and 325,507.08 is: 488,294.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,373.31 : 1,499,164.97 = 325,507.08 : x
  2. Step 2: Convert to fraction form
    999,373.31/1,499,164.97 = 325,507.08/x
  3. Step 3: Cross multiply
    999,373.31x = 1,499,164.97 × 325,507.08
  4. Step 4: Simplify right side
    999,373.31x = 487,988,810,195.45
  5. Step 5: Solve for x
    x = 487,988,810,195.45/999,373.31
  6. Step 6: Final answer
    x = 488,294.82

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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.