Home / 705,217.40-1,057,718.10-231,903.80

Finding the Fourth Proportional to 705,217.40, 1,057,718.10 and 231,903.80

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Solution

The fourth proportional to 705,217.40, 1,057,718.10 and 231,903.80 is: 347,820.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,217.40 : 1,057,718.10 = 231,903.80 : x
  2. Step 2: Convert to fraction form
    705,217.40/1,057,718.10 = 231,903.80/x
  3. Step 3: Cross multiply
    705,217.40x = 1,057,718.10 × 231,903.80
  4. Step 4: Simplify right side
    705,217.40x = 245,288,846,718.78
  5. Step 5: Solve for x
    x = 245,288,846,718.78/705,217.40
  6. Step 6: Final answer
    x = 347,820.19

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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.