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Finding the Fourth Proportional to 574,524.75, 792,849.62 and 319,881.41

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Solution

The fourth proportional to 574,524.75, 792,849.62 and 319,881.41 is: 441,439.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,524.75 : 792,849.62 = 319,881.41 : x
  2. Step 2: Convert to fraction form
    574,524.75/792,849.62 = 319,881.41/x
  3. Step 3: Cross multiply
    574,524.75x = 792,849.62 × 319,881.41
  4. Step 4: Simplify right side
    574,524.75x = 253,617,851,199.02
  5. Step 5: Solve for x
    x = 253,617,851,199.02/574,524.75
  6. Step 6: Final answer
    x = 441,439.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.