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Finding the Fourth Proportional to 528,096.80, 792,145.20 and 482,477.60

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Solution

The fourth proportional to 528,096.80, 792,145.20 and 482,477.60 is: 723,716.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,096.80 : 792,145.20 = 482,477.60 : x
  2. Step 2: Convert to fraction form
    528,096.80/792,145.20 = 482,477.60/x
  3. Step 3: Cross multiply
    528,096.80x = 792,145.20 × 482,477.60
  4. Step 4: Simplify right side
    528,096.80x = 382,192,314,947.52
  5. Step 5: Solve for x
    x = 382,192,314,947.52/528,096.80
  6. Step 6: Final answer
    x = 723,716.40

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Similar ratio
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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.