Home / 790,878.98-1,185,519.56-311,443.22

Finding the Fourth Proportional to 790,878.98, 1,185,519.56 and 311,443.22

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Solution

The fourth proportional to 790,878.98, 1,185,519.56 and 311,443.22 is: 466,850.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,878.98 : 1,185,519.56 = 311,443.22 : x
  2. Step 2: Convert to fraction form
    790,878.98/1,185,519.56 = 311,443.22/x
  3. Step 3: Cross multiply
    790,878.98x = 1,185,519.56 × 311,443.22
  4. Step 4: Simplify right side
    790,878.98x = 369,222,021,654.57
  5. Step 5: Solve for x
    x = 369,222,021,654.57/790,878.98
  6. Step 6: Final answer
    x = 466,850.22

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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.