Home / 756,665.81-1,135,164.77-224,228.51

Finding the Fourth Proportional to 756,665.81, 1,135,164.77 and 224,228.51

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Solution

The fourth proportional to 756,665.81, 1,135,164.77 and 224,228.51 is: 336,391.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,665.81 : 1,135,164.77 = 224,228.51 : x
  2. Step 2: Convert to fraction form
    756,665.81/1,135,164.77 = 224,228.51/x
  3. Step 3: Cross multiply
    756,665.81x = 1,135,164.77 × 224,228.51
  4. Step 4: Simplify right side
    756,665.81x = 254,536,304,981.59
  5. Step 5: Solve for x
    x = 254,536,304,981.59/756,665.81
  6. Step 6: Final answer
    x = 336,391.97

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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.