Home / 654,114.70-981,172.07-204,870.74

Finding the Fourth Proportional to 654,114.70, 981,172.07 and 204,870.74

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Solution

The fourth proportional to 654,114.70, 981,172.07 and 204,870.74 is: 307,306.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,114.70 : 981,172.07 = 204,870.74 : x
  2. Step 2: Convert to fraction form
    654,114.70/981,172.07 = 204,870.74/x
  3. Step 3: Cross multiply
    654,114.70x = 981,172.07 × 204,870.74
  4. Step 4: Simplify right side
    654,114.70x = 201,013,442,886.28
  5. Step 5: Solve for x
    x = 201,013,442,886.28/654,114.70
  6. Step 6: Final answer
    x = 307,306.11

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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.