Home / 959,363.57-1,438,563.40-319,441.09

Finding the Fourth Proportional to 959,363.57, 1,438,563.40 and 319,441.09

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Solution

The fourth proportional to 959,363.57, 1,438,563.40 and 319,441.09 is: 479,001.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    959,363.57 : 1,438,563.40 = 319,441.09 : x
  2. Step 2: Convert to fraction form
    959,363.57/1,438,563.40 = 319,441.09/x
  3. Step 3: Cross multiply
    959,363.57x = 1,438,563.40 × 319,441.09
  4. Step 4: Simplify right side
    959,363.57x = 459,536,260,530.11
  5. Step 5: Solve for x
    x = 459,536,260,530.11/959,363.57
  6. Step 6: Final answer
    x = 479,001.16

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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.