Home / 678,060.64-1,017,255.39-204,717.70

Finding the Fourth Proportional to 678,060.64, 1,017,255.39 and 204,717.70

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Solution

The fourth proportional to 678,060.64, 1,017,255.39 and 204,717.70 is: 307,126.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    678,060.64 : 1,017,255.39 = 204,717.70 : x
  2. Step 2: Convert to fraction form
    678,060.64/1,017,255.39 = 204,717.70/x
  3. Step 3: Cross multiply
    678,060.64x = 1,017,255.39 × 204,717.70
  4. Step 4: Simplify right side
    678,060.64x = 208,250,183,753.40
  5. Step 5: Solve for x
    x = 208,250,183,753.40/678,060.64
  6. Step 6: Final answer
    x = 307,126.19

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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.