Home / 805,230.24-1,111,221.36-442,677.42

Finding the Fourth Proportional to 805,230.24, 1,111,221.36 and 442,677.42

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Solution

The fourth proportional to 805,230.24, 1,111,221.36 and 442,677.42 is: 610,896.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,230.24 : 1,111,221.36 = 442,677.42 : x
  2. Step 2: Convert to fraction form
    805,230.24/1,111,221.36 = 442,677.42/x
  3. Step 3: Cross multiply
    805,230.24x = 1,111,221.36 × 442,677.42
  4. Step 4: Simplify right side
    805,230.24x = 491,912,604,693.69
  5. Step 5: Solve for x
    x = 491,912,604,693.69/805,230.24
  6. Step 6: Final answer
    x = 610,896.83

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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.