Home / 705,126.04-1,057,840.80-218,798.49

Finding the Fourth Proportional to 705,126.04, 1,057,840.80 and 218,798.49

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Solution

The fourth proportional to 705,126.04, 1,057,840.80 and 218,798.49 is: 328,244.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,126.04 : 1,057,840.80 = 218,798.49 : x
  2. Step 2: Convert to fraction form
    705,126.04/1,057,840.80 = 218,798.49/x
  3. Step 3: Cross multiply
    705,126.04x = 1,057,840.80 × 218,798.49
  4. Step 4: Simplify right side
    705,126.04x = 231,453,972,846.80
  5. Step 5: Solve for x
    x = 231,453,972,846.80/705,126.04
  6. Step 6: Final answer
    x = 328,244.83

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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.