Home / 656,428.93-984,406.68-277,379.04

Finding the Fourth Proportional to 656,428.93, 984,406.68 and 277,379.04

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Solution

The fourth proportional to 656,428.93, 984,406.68 and 277,379.04 is: 415,968.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,428.93 : 984,406.68 = 277,379.04 : x
  2. Step 2: Convert to fraction form
    656,428.93/984,406.68 = 277,379.04/x
  3. Step 3: Cross multiply
    656,428.93x = 984,406.68 × 277,379.04
  4. Step 4: Simplify right side
    656,428.93x = 273,053,779,867.99
  5. Step 5: Solve for x
    x = 273,053,779,867.99/656,428.93
  6. Step 6: Final answer
    x = 415,968.54

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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.