Home / 654,316.66-981,475.21-205,072.38

Finding the Fourth Proportional to 654,316.66, 981,475.21 and 205,072.38

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Solution

The fourth proportional to 654,316.66, 981,475.21 and 205,072.38 is: 307,608.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,316.66 : 981,475.21 = 205,072.38 : x
  2. Step 2: Convert to fraction form
    654,316.66/981,475.21 = 205,072.38/x
  3. Step 3: Cross multiply
    654,316.66x = 981,475.21 × 205,072.38
  4. Step 4: Simplify right side
    654,316.66x = 201,273,457,482.04
  5. Step 5: Solve for x
    x = 201,273,457,482.04/654,316.66
  6. Step 6: Final answer
    x = 307,608.64

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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.