Home / 656,975.70-984,916.80-278,187.30

Finding the Fourth Proportional to 656,975.70, 984,916.80 and 278,187.30

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Solution

The fourth proportional to 656,975.70, 984,916.80 and 278,187.30 is: 417,049.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,975.70 : 984,916.80 = 278,187.30 : x
  2. Step 2: Convert to fraction form
    656,975.70/984,916.80 = 278,187.30/x
  3. Step 3: Cross multiply
    656,975.70x = 984,916.80 × 278,187.30
  4. Step 4: Simplify right side
    656,975.70x = 273,991,345,316.64
  5. Step 5: Solve for x
    x = 273,991,345,316.64/656,975.70
  6. Step 6: Final answer
    x = 417,049.44

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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.