Home / 379,575.32-523,474.62-314,942.18

Finding the Fourth Proportional to 379,575.32, 523,474.62 and 314,942.18

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Solution

The fourth proportional to 379,575.32, 523,474.62 and 314,942.18 is: 434,338.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,575.32 : 523,474.62 = 314,942.18 : x
  2. Step 2: Convert to fraction form
    379,575.32/523,474.62 = 314,942.18/x
  3. Step 3: Cross multiply
    379,575.32x = 523,474.62 × 314,942.18
  4. Step 4: Simplify right side
    379,575.32x = 164,864,235,380.10
  5. Step 5: Solve for x
    x = 164,864,235,380.10/379,575.32
  6. Step 6: Final answer
    x = 434,338.66

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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.