Home / 823,787.92-1,235,443.20-247,387.95

Finding the Fourth Proportional to 823,787.92, 1,235,443.20 and 247,387.95

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Solution

The fourth proportional to 823,787.92, 1,235,443.20 and 247,387.95 is: 371,010.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,787.92 : 1,235,443.20 = 247,387.95 : x
  2. Step 2: Convert to fraction form
    823,787.92/1,235,443.20 = 247,387.95/x
  3. Step 3: Cross multiply
    823,787.92x = 1,235,443.20 × 247,387.95
  4. Step 4: Simplify right side
    823,787.92x = 305,633,759,661.74
  5. Step 5: Solve for x
    x = 305,633,759,661.74/823,787.92
  6. Step 6: Final answer
    x = 371,010.25

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1.5x scale

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.