Home / 792,941.72-1,189,645.86-319,383.32

Finding the Fourth Proportional to 792,941.72, 1,189,645.86 and 319,383.32

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Solution

The fourth proportional to 792,941.72, 1,189,645.86 and 319,383.32 is: 479,168.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,941.72 : 1,189,645.86 = 319,383.32 : x
  2. Step 2: Convert to fraction form
    792,941.72/1,189,645.86 = 319,383.32/x
  3. Step 3: Cross multiply
    792,941.72x = 1,189,645.86 × 319,383.32
  4. Step 4: Simplify right side
    792,941.72x = 379,953,044,391.06
  5. Step 5: Solve for x
    x = 379,953,044,391.06/792,941.72
  6. Step 6: Final answer
    x = 479,168.94

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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.