Home / 672,774.65-1,008,990.05-199,349.29

Finding the Fourth Proportional to 672,774.65, 1,008,990.05 and 199,349.29

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Solution

The fourth proportional to 672,774.65, 1,008,990.05 and 199,349.29 is: 298,972.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,774.65 : 1,008,990.05 = 199,349.29 : x
  2. Step 2: Convert to fraction form
    672,774.65/1,008,990.05 = 199,349.29/x
  3. Step 3: Cross multiply
    672,774.65x = 1,008,990.05 × 199,349.29
  4. Step 4: Simplify right side
    672,774.65x = 201,141,450,084.57
  5. Step 5: Solve for x
    x = 201,141,450,084.57/672,774.65
  6. Step 6: Final answer
    x = 298,972.99

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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.