Home / 576,789.46-865,369.02-403,861.33

Finding the Fourth Proportional to 576,789.46, 865,369.02 and 403,861.33

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Solution

The fourth proportional to 576,789.46, 865,369.02 and 403,861.33 is: 605,921.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,789.46 : 865,369.02 = 403,861.33 : x
  2. Step 2: Convert to fraction form
    576,789.46/865,369.02 = 403,861.33/x
  3. Step 3: Cross multiply
    576,789.46x = 865,369.02 × 403,861.33
  4. Step 4: Simplify right side
    576,789.46x = 349,489,087,820.11
  5. Step 5: Solve for x
    x = 349,489,087,820.11/576,789.46
  6. Step 6: Final answer
    x = 605,921.42

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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.