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Finding the Fourth Proportional to 424,647.44, 586,107.72 and 332,583.44

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Solution

The fourth proportional to 424,647.44, 586,107.72 and 332,583.44 is: 459,038.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,647.44 : 586,107.72 = 332,583.44 : x
  2. Step 2: Convert to fraction form
    424,647.44/586,107.72 = 332,583.44/x
  3. Step 3: Cross multiply
    424,647.44x = 586,107.72 × 332,583.44
  4. Step 4: Simplify right side
    424,647.44x = 194,929,721,728.16
  5. Step 5: Solve for x
    x = 194,929,721,728.16/424,647.44
  6. Step 6: Final answer
    x = 459,038.97

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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.