Home / 805,500.82-1,111,561.23-442,903.09

Finding the Fourth Proportional to 805,500.82, 1,111,561.23 and 442,903.09

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Solution

The fourth proportional to 805,500.82, 1,111,561.23 and 442,903.09 is: 611,189.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,500.82 : 1,111,561.23 = 442,903.09 : x
  2. Step 2: Convert to fraction form
    805,500.82/1,111,561.23 = 442,903.09/x
  3. Step 3: Cross multiply
    805,500.82x = 1,111,561.23 × 442,903.09
  4. Step 4: Simplify right side
    805,500.82x = 492,313,903,491.20
  5. Step 5: Solve for x
    x = 492,313,903,491.20/805,500.82
  6. Step 6: Final answer
    x = 611,189.82

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