Home / 678,006.14-1,017,173.64-204,663.20

Finding the Fourth Proportional to 678,006.14, 1,017,173.64 and 204,663.20

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Solution

The fourth proportional to 678,006.14, 1,017,173.64 and 204,663.20 is: 307,044.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    678,006.14 : 1,017,173.64 = 204,663.20 : x
  2. Step 2: Convert to fraction form
    678,006.14/1,017,173.64 = 204,663.20/x
  3. Step 3: Cross multiply
    678,006.14x = 1,017,173.64 × 204,663.20
  4. Step 4: Simplify right side
    678,006.14x = 208,178,012,118.05
  5. Step 5: Solve for x
    x = 208,178,012,118.05/678,006.14
  6. Step 6: Final answer
    x = 307,044.43

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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.