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Finding the Fourth Proportional to 599,024, 825,979.20 and 489,787.52

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Solution

The fourth proportional to 599,024, 825,979.20 and 489,787.52 is: 675,355.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    599,024 : 825,979.20 = 489,787.52 : x
  2. Step 2: Convert to fraction form
    599,024/825,979.20 = 489,787.52/x
  3. Step 3: Cross multiply
    599,024x = 825,979.20 × 489,787.52
  4. Step 4: Simplify right side
    599,024x = 404,554,303,939.58
  5. Step 5: Solve for x
    x = 404,554,303,939.58/599,024
  6. Step 6: Final answer
    x = 675,355.75

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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.