Home / 885,137.46-1,221,487.47-482,729.46

Finding the Fourth Proportional to 885,137.46, 1,221,487.47 and 482,729.46

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Solution

The fourth proportional to 885,137.46, 1,221,487.47 and 482,729.46 is: 666,165.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,137.46 : 1,221,487.47 = 482,729.46 : x
  2. Step 2: Convert to fraction form
    885,137.46/1,221,487.47 = 482,729.46/x
  3. Step 3: Cross multiply
    885,137.46x = 1,221,487.47 × 482,729.46
  4. Step 4: Simplify right side
    885,137.46x = 589,647,986,789.87
  5. Step 5: Solve for x
    x = 589,647,986,789.87/885,137.46
  6. Step 6: Final answer
    x = 666,165.44

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Double scale
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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.