Home / 788,772.20-1,183,571.40-362,436.80

Finding the Fourth Proportional to 788,772.20, 1,183,571.40 and 362,436.80

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Solution

The fourth proportional to 788,772.20, 1,183,571.40 and 362,436.80 is: 543,845.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,772.20 : 1,183,571.40 = 362,436.80 : x
  2. Step 2: Convert to fraction form
    788,772.20/1,183,571.40 = 362,436.80/x
  3. Step 3: Cross multiply
    788,772.20x = 1,183,571.40 × 362,436.80
  4. Step 4: Simplify right side
    788,772.20x = 428,969,830,787.52
  5. Step 5: Solve for x
    x = 428,969,830,787.52/788,772.20
  6. Step 6: Final answer
    x = 543,845.02

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Double scale
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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.