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Finding the Fourth Proportional to 424,369.78, 585,616.89 and 233,382.58

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Solution

The fourth proportional to 424,369.78, 585,616.89 and 233,382.58 is: 322,060.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,369.78 : 585,616.89 = 233,382.58 : x
  2. Step 2: Convert to fraction form
    424,369.78/585,616.89 = 233,382.58/x
  3. Step 3: Cross multiply
    424,369.78x = 585,616.89 × 233,382.58
  4. Step 4: Simplify right side
    424,369.78x = 136,672,780,679.78
  5. Step 5: Solve for x
    x = 136,672,780,679.78/424,369.78
  6. Step 6: Final answer
    x = 322,060.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.