Home / 816,409.30-1,224,617.85-247,795.33

Finding the Fourth Proportional to 816,409.30, 1,224,617.85 and 247,795.33

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Solution

The fourth proportional to 816,409.30, 1,224,617.85 and 247,795.33 is: 371,694.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,409.30 : 1,224,617.85 = 247,795.33 : x
  2. Step 2: Convert to fraction form
    816,409.30/1,224,617.85 = 247,795.33/x
  3. Step 3: Cross multiply
    816,409.30x = 1,224,617.85 × 247,795.33
  4. Step 4: Simplify right side
    816,409.30x = 303,454,584,264.64
  5. Step 5: Solve for x
    x = 303,454,584,264.64/816,409.30
  6. Step 6: Final answer
    x = 371,694.18

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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.