Home / 688,665.28-1,033,057.44-190,029.28

Finding the Fourth Proportional to 688,665.28, 1,033,057.44 and 190,029.28

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Solution

The fourth proportional to 688,665.28, 1,033,057.44 and 190,029.28 is: 285,060.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,665.28 : 1,033,057.44 = 190,029.28 : x
  2. Step 2: Convert to fraction form
    688,665.28/1,033,057.44 = 190,029.28/x
  3. Step 3: Cross multiply
    688,665.28x = 1,033,057.44 × 190,029.28
  4. Step 4: Simplify right side
    688,665.28x = 196,311,161,521.84
  5. Step 5: Solve for x
    x = 196,311,161,521.84/688,665.28
  6. Step 6: Final answer
    x = 285,060.34

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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.