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Finding the Fourth Proportional to 565,271.52, 780,118.20 and 323,630.16

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Solution

The fourth proportional to 565,271.52, 780,118.20 and 323,630.16 is: 446,634.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,271.52 : 780,118.20 = 323,630.16 : x
  2. Step 2: Convert to fraction form
    565,271.52/780,118.20 = 323,630.16/x
  3. Step 3: Cross multiply
    565,271.52x = 780,118.20 × 323,630.16
  4. Step 4: Simplify right side
    565,271.52x = 252,469,777,884.91
  5. Step 5: Solve for x
    x = 252,469,777,884.91/565,271.52
  6. Step 6: Final answer
    x = 446,634.53

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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.