Home / 639,223.06-958,585.35-239,646.04

Finding the Fourth Proportional to 639,223.06, 958,585.35 and 239,646.04

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Solution

The fourth proportional to 639,223.06, 958,585.35 and 239,646.04 is: 359,375.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    639,223.06 : 958,585.35 = 239,646.04 : x
  2. Step 2: Convert to fraction form
    639,223.06/958,585.35 = 239,646.04/x
  3. Step 3: Cross multiply
    639,223.06x = 958,585.35 × 239,646.04
  4. Step 4: Simplify right side
    639,223.06x = 229,721,183,129.51
  5. Step 5: Solve for x
    x = 229,721,183,129.51/639,223.06
  6. Step 6: Final answer
    x = 359,375.62

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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.