Home / 792,144.30-1,188,216.45-477,216.30

Finding the Fourth Proportional to 792,144.30, 1,188,216.45 and 477,216.30

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Solution

The fourth proportional to 792,144.30, 1,188,216.45 and 477,216.30 is: 715,824.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,144.30 : 1,188,216.45 = 477,216.30 : x
  2. Step 2: Convert to fraction form
    792,144.30/1,188,216.45 = 477,216.30/x
  3. Step 3: Cross multiply
    792,144.30x = 1,188,216.45 × 477,216.30
  4. Step 4: Simplify right side
    792,144.30x = 567,036,257,868.14
  5. Step 5: Solve for x
    x = 567,036,257,868.14/792,144.30
  6. Step 6: Final answer
    x = 715,824.45

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Double scale
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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.