Home / 559,942.28-839,381.31-356,968.64

Finding the Fourth Proportional to 559,942.28, 839,381.31 and 356,968.64

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Solution

The fourth proportional to 559,942.28, 839,381.31 and 356,968.64 is: 535,113.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,942.28 : 839,381.31 = 356,968.64 : x
  2. Step 2: Convert to fraction form
    559,942.28/839,381.31 = 356,968.64/x
  3. Step 3: Cross multiply
    559,942.28x = 839,381.31 × 356,968.64
  4. Step 4: Simplify right side
    559,942.28x = 299,632,800,475.21
  5. Step 5: Solve for x
    x = 299,632,800,475.21/559,942.28
  6. Step 6: Final answer
    x = 535,113.73

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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.