Home / 668,572.58-1,003,154.02-269,991.83

Finding the Fourth Proportional to 668,572.58, 1,003,154.02 and 269,991.83

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Solution

The fourth proportional to 668,572.58, 1,003,154.02 and 269,991.83 is: 405,106.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,572.58 : 1,003,154.02 = 269,991.83 : x
  2. Step 2: Convert to fraction form
    668,572.58/1,003,154.02 = 269,991.83/x
  3. Step 3: Cross multiply
    668,572.58x = 1,003,154.02 × 269,991.83
  4. Step 4: Simplify right side
    668,572.58x = 270,843,391,464.56
  5. Step 5: Solve for x
    x = 270,843,391,464.56/668,572.58
  6. Step 6: Final answer
    x = 405,106.94

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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.