Home / 790,380.88-1,185,574.20-191,340.94

Finding the Fourth Proportional to 790,380.88, 1,185,574.20 and 191,340.94

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Solution

The fourth proportional to 790,380.88, 1,185,574.20 and 191,340.94 is: 287,012.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,380.88 : 1,185,574.20 = 191,340.94 : x
  2. Step 2: Convert to fraction form
    790,380.88/1,185,574.20 = 191,340.94/x
  3. Step 3: Cross multiply
    790,380.88x = 1,185,574.20 × 191,340.94
  4. Step 4: Simplify right side
    790,380.88x = 226,848,881,867.75
  5. Step 5: Solve for x
    x = 226,848,881,867.75/790,380.88
  6. Step 6: Final answer
    x = 287,012.11

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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.