Home / 331,946.20-496,607.10-288,060.40

Finding the Fourth Proportional to 331,946.20, 496,607.10 and 288,060.40

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Solution

The fourth proportional to 331,946.20, 496,607.10 and 288,060.40 is: 430,951.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,946.20 : 496,607.10 = 288,060.40 : x
  2. Step 2: Convert to fraction form
    331,946.20/496,607.10 = 288,060.40/x
  3. Step 3: Cross multiply
    331,946.20x = 496,607.10 × 288,060.40
  4. Step 4: Simplify right side
    331,946.20x = 143,052,839,868.84
  5. Step 5: Solve for x
    x = 143,052,839,868.84/331,946.20
  6. Step 6: Final answer
    x = 430,951.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.