Home / 790,991.58-1,186,478.46-191,959.32

Finding the Fourth Proportional to 790,991.58, 1,186,478.46 and 191,959.32

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Solution

The fourth proportional to 790,991.58, 1,186,478.46 and 191,959.32 is: 287,936.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,991.58 : 1,186,478.46 = 191,959.32 : x
  2. Step 2: Convert to fraction form
    790,991.58/1,186,478.46 = 191,959.32/x
  3. Step 3: Cross multiply
    790,991.58x = 1,186,478.46 × 191,959.32
  4. Step 4: Simplify right side
    790,991.58x = 227,755,598,376.25
  5. Step 5: Solve for x
    x = 227,755,598,376.25/790,991.58
  6. Step 6: Final answer
    x = 287,936.82

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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.