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Finding the Fourth Proportional to 435,267.72, 600,948 and 354,888

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Solution

The fourth proportional to 435,267.72, 600,948 and 354,888 is: 489,972.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,267.72 : 600,948 = 354,888 : x
  2. Step 2: Convert to fraction form
    435,267.72/600,948 = 354,888/x
  3. Step 3: Cross multiply
    435,267.72x = 600,948 × 354,888
  4. Step 4: Simplify right side
    435,267.72x = 213,269,233,824
  5. Step 5: Solve for x
    x = 213,269,233,824/435,267.72
  6. Step 6: Final answer
    x = 489,972.55

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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.