Home / 805,266.25-1,111,288.60-442,699.24

Finding the Fourth Proportional to 805,266.25, 1,111,288.60 and 442,699.24

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Solution

The fourth proportional to 805,266.25, 1,111,288.60 and 442,699.24 is: 610,936.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,266.25 : 1,111,288.60 = 442,699.24 : x
  2. Step 2: Convert to fraction form
    805,266.25/1,111,288.60 = 442,699.24/x
  3. Step 3: Cross multiply
    805,266.25x = 1,111,288.60 × 442,699.24
  4. Step 4: Simplify right side
    805,266.25x = 491,966,618,640.66
  5. Step 5: Solve for x
    x = 491,966,618,640.66/805,266.25
  6. Step 6: Final answer
    x = 610,936.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.