Home / 705,088.80-1,057,803.30-231,749.10

Finding the Fourth Proportional to 705,088.80, 1,057,803.30 and 231,749.10

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Solution

The fourth proportional to 705,088.80, 1,057,803.30 and 231,749.10 is: 347,679.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,088.80 : 1,057,803.30 = 231,749.10 : x
  2. Step 2: Convert to fraction form
    705,088.80/1,057,803.30 = 231,749.10/x
  3. Step 3: Cross multiply
    705,088.80x = 1,057,803.30 × 231,749.10
  4. Step 4: Simplify right side
    705,088.80x = 245,144,962,752.03
  5. Step 5: Solve for x
    x = 245,144,962,752.03/705,088.80
  6. Step 6: Final answer
    x = 347,679.56

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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.