Home / 439,487.03-658,155.38-396,888.66

Finding the Fourth Proportional to 439,487.03, 658,155.38 and 396,888.66

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Solution

The fourth proportional to 439,487.03, 658,155.38 and 396,888.66 is: 594,362.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,487.03 : 658,155.38 = 396,888.66 : x
  2. Step 2: Convert to fraction form
    439,487.03/658,155.38 = 396,888.66/x
  3. Step 3: Cross multiply
    439,487.03x = 658,155.38 × 396,888.66
  4. Step 4: Simplify right side
    439,487.03x = 261,214,404,855.55
  5. Step 5: Solve for x
    x = 261,214,404,855.55/439,487.03
  6. Step 6: Final answer
    x = 594,362.03

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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.