Home / 792,614.16-1,189,141.56-319,188.60

Finding the Fourth Proportional to 792,614.16, 1,189,141.56 and 319,188.60

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Solution

The fourth proportional to 792,614.16, 1,189,141.56 and 319,188.60 is: 478,871.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,614.16 : 1,189,141.56 = 319,188.60 : x
  2. Step 2: Convert to fraction form
    792,614.16/1,189,141.56 = 319,188.60/x
  3. Step 3: Cross multiply
    792,614.16x = 1,189,141.56 × 319,188.60
  4. Step 4: Simplify right side
    792,614.16x = 379,560,429,738.22
  5. Step 5: Solve for x
    x = 379,560,429,738.22/792,614.16
  6. Step 6: Final answer
    x = 478,871.62

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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.