Home / 790,396.80-1,185,598.25-191,357.06

Finding the Fourth Proportional to 790,396.80, 1,185,598.25 and 191,357.06

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Solution

The fourth proportional to 790,396.80, 1,185,598.25 and 191,357.06 is: 287,036.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,396.80 : 1,185,598.25 = 191,357.06 : x
  2. Step 2: Convert to fraction form
    790,396.80/1,185,598.25 = 191,357.06/x
  3. Step 3: Cross multiply
    790,396.80x = 1,185,598.25 × 191,357.06
  4. Step 4: Simplify right side
    790,396.80x = 226,872,588,576.37
  5. Step 5: Solve for x
    x = 226,872,588,576.37/790,396.80
  6. Step 6: Final answer
    x = 287,036.32

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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.