Home / 792,445.86-1,188,964.71-319,265.46

Finding the Fourth Proportional to 792,445.86, 1,188,964.71 and 319,265.46

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Solution

The fourth proportional to 792,445.86, 1,188,964.71 and 319,265.46 is: 479,017.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,445.86 : 1,188,964.71 = 319,265.46 : x
  2. Step 2: Convert to fraction form
    792,445.86/1,188,964.71 = 319,265.46/x
  3. Step 3: Cross multiply
    792,445.86x = 1,188,964.71 × 319,265.46
  4. Step 4: Simplify right side
    792,445.86x = 379,595,365,061.92
  5. Step 5: Solve for x
    x = 379,595,365,061.92/792,445.86
  6. Step 6: Final answer
    x = 479,017.41

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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.