Home / 756,417.74-1,134,637.94-223,991.78

Finding the Fourth Proportional to 756,417.74, 1,134,637.94 and 223,991.78

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Solution

The fourth proportional to 756,417.74, 1,134,637.94 and 223,991.78 is: 335,991.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,417.74 : 1,134,637.94 = 223,991.78 : x
  2. Step 2: Convert to fraction form
    756,417.74/1,134,637.94 = 223,991.78/x
  3. Step 3: Cross multiply
    756,417.74x = 1,134,637.94 × 223,991.78
  4. Step 4: Simplify right side
    756,417.74x = 254,149,566,722.92
  5. Step 5: Solve for x
    x = 254,149,566,722.92/756,417.74
  6. Step 6: Final answer
    x = 335,991.02

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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.