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Finding the Fourth Proportional to 565,793.24, 780,770.88 and 320,794.47

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Solution

The fourth proportional to 565,793.24, 780,770.88 and 320,794.47 is: 442,682.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,793.24 : 780,770.88 = 320,794.47 : x
  2. Step 2: Convert to fraction form
    565,793.24/780,770.88 = 320,794.47/x
  3. Step 3: Cross multiply
    565,793.24x = 780,770.88 × 320,794.47
  4. Step 4: Simplify right side
    565,793.24x = 250,466,980,641.03
  5. Step 5: Solve for x
    x = 250,466,980,641.03/565,793.24
  6. Step 6: Final answer
    x = 442,682.88

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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.