Home / 654,325.97-981,487.45-205,081.07

Finding the Fourth Proportional to 654,325.97, 981,487.45 and 205,081.07

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Solution

The fourth proportional to 654,325.97, 981,487.45 and 205,081.07 is: 307,621.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,325.97 : 981,487.45 = 205,081.07 : x
  2. Step 2: Convert to fraction form
    654,325.97/981,487.45 = 205,081.07/x
  3. Step 3: Cross multiply
    654,325.97x = 981,487.45 × 205,081.07
  4. Step 4: Simplify right side
    654,325.97x = 201,284,496,437.57
  5. Step 5: Solve for x
    x = 201,284,496,437.57/654,325.97
  6. Step 6: Final answer
    x = 307,621.13

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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.