Home / 792,816.80-1,187,612.40-492,375.20

Finding the Fourth Proportional to 792,816.80, 1,187,612.40 and 492,375.20

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Solution

The fourth proportional to 792,816.80, 1,187,612.40 and 492,375.20 is: 737,561.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,816.80 : 1,187,612.40 = 492,375.20 : x
  2. Step 2: Convert to fraction form
    792,816.80/1,187,612.40 = 492,375.20/x
  3. Step 3: Cross multiply
    792,816.80x = 1,187,612.40 × 492,375.20
  4. Step 4: Simplify right side
    792,816.80x = 584,750,892,972.48
  5. Step 5: Solve for x
    x = 584,750,892,972.48/792,816.80
  6. Step 6: Final answer
    x = 737,561.18

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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.