Home / 808,660.80-1,212,991.20-493,732.80

Finding the Fourth Proportional to 808,660.80, 1,212,991.20 and 493,732.80

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Solution

The fourth proportional to 808,660.80, 1,212,991.20 and 493,732.80 is: 740,599.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,660.80 : 1,212,991.20 = 493,732.80 : x
  2. Step 2: Convert to fraction form
    808,660.80/1,212,991.20 = 493,732.80/x
  3. Step 3: Cross multiply
    808,660.80x = 1,212,991.20 × 493,732.80
  4. Step 4: Simplify right side
    808,660.80x = 598,893,541,551.36
  5. Step 5: Solve for x
    x = 598,893,541,551.36/808,660.80
  6. Step 6: Final answer
    x = 740,599.20

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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.