Home / 664,484.04-996,823.88-215,055.54

Finding the Fourth Proportional to 664,484.04, 996,823.88 and 215,055.54

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Solution

The fourth proportional to 664,484.04, 996,823.88 and 215,055.54 is: 322,614.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,484.04 : 996,823.88 = 215,055.54 : x
  2. Step 2: Convert to fraction form
    664,484.04/996,823.88 = 215,055.54/x
  3. Step 3: Cross multiply
    664,484.04x = 996,823.88 × 215,055.54
  4. Step 4: Simplify right side
    664,484.04x = 214,372,496,723.02
  5. Step 5: Solve for x
    x = 214,372,496,723.02/664,484.04
  6. Step 6: Final answer
    x = 322,614.97

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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.