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Finding the Fourth Proportional to 523,652.42, 722,722.43 and 308,816.12

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Solution

The fourth proportional to 523,652.42, 722,722.43 and 308,816.12 is: 426,214.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    523,652.42 : 722,722.43 = 308,816.12 : x
  2. Step 2: Convert to fraction form
    523,652.42/722,722.43 = 308,816.12/x
  3. Step 3: Cross multiply
    523,652.42x = 722,722.43 × 308,816.12
  4. Step 4: Simplify right side
    523,652.42x = 223,188,336,669.57
  5. Step 5: Solve for x
    x = 223,188,336,669.57/523,652.42
  6. Step 6: Final answer
    x = 426,214.66

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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.