Home / 790,021.40-1,185,209.88-250,310.12

Finding the Fourth Proportional to 790,021.40, 1,185,209.88 and 250,310.12

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Solution

The fourth proportional to 790,021.40, 1,185,209.88 and 250,310.12 is: 375,521.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,021.40 : 1,185,209.88 = 250,310.12 : x
  2. Step 2: Convert to fraction form
    790,021.40/1,185,209.88 = 250,310.12/x
  3. Step 3: Cross multiply
    790,021.40x = 1,185,209.88 × 250,310.12
  4. Step 4: Simplify right side
    790,021.40x = 296,670,027,287.99
  5. Step 5: Solve for x
    x = 296,670,027,287.99/790,021.40
  6. Step 6: Final answer
    x = 375,521.51

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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.