Home / 790,721.92-1,186,072.24-191,688.24

Finding the Fourth Proportional to 790,721.92, 1,186,072.24 and 191,688.24

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Solution

The fourth proportional to 790,721.92, 1,186,072.24 and 191,688.24 is: 287,529.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,721.92 : 1,186,072.24 = 191,688.24 : x
  2. Step 2: Convert to fraction form
    790,721.92/1,186,072.24 = 191,688.24/x
  3. Step 3: Cross multiply
    790,721.92x = 1,186,072.24 × 191,688.24
  4. Step 4: Simplify right side
    790,721.92x = 227,356,100,198.46
  5. Step 5: Solve for x
    x = 227,356,100,198.46/790,721.92
  6. Step 6: Final answer
    x = 287,529.78

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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.