Home / 705,206.40-1,057,701.60-231,892.80

Finding the Fourth Proportional to 705,206.40, 1,057,701.60 and 231,892.80

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Solution

The fourth proportional to 705,206.40, 1,057,701.60 and 231,892.80 is: 347,803.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,206.40 : 1,057,701.60 = 231,892.80 : x
  2. Step 2: Convert to fraction form
    705,206.40/1,057,701.60 = 231,892.80/x
  3. Step 3: Cross multiply
    705,206.40x = 1,057,701.60 × 231,892.80
  4. Step 4: Simplify right side
    705,206.40x = 245,273,385,588.48
  5. Step 5: Solve for x
    x = 245,273,385,588.48/705,206.40
  6. Step 6: Final answer
    x = 347,803.69

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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.