Home / 852,062.90-1,277,608.35-319,601.30

Finding the Fourth Proportional to 852,062.90, 1,277,608.35 and 319,601.30

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Solution

The fourth proportional to 852,062.90, 1,277,608.35 and 319,601.30 is: 479,219.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,062.90 : 1,277,608.35 = 319,601.30 : x
  2. Step 2: Convert to fraction form
    852,062.90/1,277,608.35 = 319,601.30/x
  3. Step 3: Cross multiply
    852,062.90x = 1,277,608.35 × 319,601.30
  4. Step 4: Simplify right side
    852,062.90x = 408,325,289,550.86
  5. Step 5: Solve for x
    x = 408,325,289,550.86/852,062.90
  6. Step 6: Final answer
    x = 479,219.66

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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.