Home / 755,906.36-1,133,845.68-187,288.74

Finding the Fourth Proportional to 755,906.36, 1,133,845.68 and 187,288.74

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Solution

The fourth proportional to 755,906.36, 1,133,845.68 and 187,288.74 is: 280,929.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,906.36 : 1,133,845.68 = 187,288.74 : x
  2. Step 2: Convert to fraction form
    755,906.36/1,133,845.68 = 187,288.74/x
  3. Step 3: Cross multiply
    755,906.36x = 1,133,845.68 × 187,288.74
  4. Step 4: Simplify right side
    755,906.36x = 212,356,528,761.64
  5. Step 5: Solve for x
    x = 212,356,528,761.64/755,906.36
  6. Step 6: Final answer
    x = 280,929.68

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1.5x scale

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.