Home / 756,529.36-1,135,053.28-258,243.28

Finding the Fourth Proportional to 756,529.36, 1,135,053.28 and 258,243.28

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Solution

The fourth proportional to 756,529.36, 1,135,053.28 and 258,243.28 is: 387,453.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,529.36 : 1,135,053.28 = 258,243.28 : x
  2. Step 2: Convert to fraction form
    756,529.36/1,135,053.28 = 258,243.28/x
  3. Step 3: Cross multiply
    756,529.36x = 1,135,053.28 × 258,243.28
  4. Step 4: Simplify right side
    756,529.36x = 293,119,882,001.96
  5. Step 5: Solve for x
    x = 293,119,882,001.96/756,529.36
  6. Step 6: Final answer
    x = 387,453.41

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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.