Home / 820,060.64-1,230,178.48-346,793.84

Finding the Fourth Proportional to 820,060.64, 1,230,178.48 and 346,793.84

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Solution

The fourth proportional to 820,060.64, 1,230,178.48 and 346,793.84 is: 520,227.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    820,060.64 : 1,230,178.48 = 346,793.84 : x
  2. Step 2: Convert to fraction form
    820,060.64/1,230,178.48 = 346,793.84/x
  3. Step 3: Cross multiply
    820,060.64x = 1,230,178.48 × 346,793.84
  4. Step 4: Simplify right side
    820,060.64x = 426,618,318,964.56
  5. Step 5: Solve for x
    x = 426,618,318,964.56/820,060.64
  6. Step 6: Final answer
    x = 520,227.77

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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.