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Finding the Fourth Proportional to 637,781.88, 956,016.54 and 282,963

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Solution

The fourth proportional to 637,781.88, 956,016.54 and 282,963 is: 424,153.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,781.88 : 956,016.54 = 282,963 : x
  2. Step 2: Convert to fraction form
    637,781.88/956,016.54 = 282,963/x
  3. Step 3: Cross multiply
    637,781.88x = 956,016.54 × 282,963
  4. Step 4: Simplify right side
    637,781.88x = 270,517,308,208.02
  5. Step 5: Solve for x
    x = 270,517,308,208.02/637,781.88
  6. Step 6: Final answer
    x = 424,153.33

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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.