Home / 482,864.30-724,987.65-272,912.30

Finding the Fourth Proportional to 482,864.30, 724,987.65 and 272,912.30

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Solution

The fourth proportional to 482,864.30, 724,987.65 and 272,912.30 is: 409,759.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,864.30 : 724,987.65 = 272,912.30 : x
  2. Step 2: Convert to fraction form
    482,864.30/724,987.65 = 272,912.30/x
  3. Step 3: Cross multiply
    482,864.30x = 724,987.65 × 272,912.30
  4. Step 4: Simplify right side
    482,864.30x = 197,858,047,033.10
  5. Step 5: Solve for x
    x = 197,858,047,033.10/482,864.30
  6. Step 6: Final answer
    x = 409,759.11

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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.