Home / 999,507.90-1,499,260.69-325,588.12

Finding the Fourth Proportional to 999,507.90, 1,499,260.69 and 325,588.12

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Solution

The fourth proportional to 999,507.90, 1,499,260.69 and 325,588.12 is: 488,381.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,507.90 : 1,499,260.69 = 325,588.12 : x
  2. Step 2: Convert to fraction form
    999,507.90/1,499,260.69 = 325,588.12/x
  3. Step 3: Cross multiply
    999,507.90x = 1,499,260.69 × 325,588.12
  4. Step 4: Simplify right side
    999,507.90x = 488,141,466,105.84
  5. Step 5: Solve for x
    x = 488,141,466,105.84/999,507.90
  6. Step 6: Final answer
    x = 488,381.80

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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.