Home / 479,767.03-662,081.70-261,977.22

Finding the Fourth Proportional to 479,767.03, 662,081.70 and 261,977.22

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Solution

The fourth proportional to 479,767.03, 662,081.70 and 261,977.22 is: 361,530.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,767.03 : 662,081.70 = 261,977.22 : x
  2. Step 2: Convert to fraction form
    479,767.03/662,081.70 = 261,977.22/x
  3. Step 3: Cross multiply
    479,767.03x = 662,081.70 × 261,977.22
  4. Step 4: Simplify right side
    479,767.03x = 173,450,323,178.87
  5. Step 5: Solve for x
    x = 173,450,323,178.87/479,767.03
  6. Step 6: Final answer
    x = 361,530.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.