Home / 678,018.65-1,017,071.17-228,784.73

Finding the Fourth Proportional to 678,018.65, 1,017,071.17 and 228,784.73

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Solution

The fourth proportional to 678,018.65, 1,017,071.17 and 228,784.73 is: 343,191.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    678,018.65 : 1,017,071.17 = 228,784.73 : x
  2. Step 2: Convert to fraction form
    678,018.65/1,017,071.17 = 228,784.73/x
  3. Step 3: Cross multiply
    678,018.65x = 1,017,071.17 × 228,784.73
  4. Step 4: Simplify right side
    678,018.65x = 232,690,347,361.92
  5. Step 5: Solve for x
    x = 232,690,347,361.92/678,018.65
  6. Step 6: Final answer
    x = 343,191.66

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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.