Home / 792,477.36-1,189,011.96-319,296.96

Finding the Fourth Proportional to 792,477.36, 1,189,011.96 and 319,296.96

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Solution

The fourth proportional to 792,477.36, 1,189,011.96 and 319,296.96 is: 479,064.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,477.36 : 1,189,011.96 = 319,296.96 : x
  2. Step 2: Convert to fraction form
    792,477.36/1,189,011.96 = 319,296.96/x
  3. Step 3: Cross multiply
    792,477.36x = 1,189,011.96 × 319,296.96
  4. Step 4: Simplify right side
    792,477.36x = 379,647,904,231.64
  5. Step 5: Solve for x
    x = 379,647,904,231.64/792,477.36
  6. Step 6: Final answer
    x = 479,064.67

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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.