Home / 879,081.48-1,318,359.78-373,640.27

Finding the Fourth Proportional to 879,081.48, 1,318,359.78 and 373,640.27

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Solution

The fourth proportional to 879,081.48, 1,318,359.78 and 373,640.27 is: 560,348.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,081.48 : 1,318,359.78 = 373,640.27 : x
  2. Step 2: Convert to fraction form
    879,081.48/1,318,359.78 = 373,640.27/x
  3. Step 3: Cross multiply
    879,081.48x = 1,318,359.78 × 373,640.27
  4. Step 4: Simplify right side
    879,081.48x = 492,592,297,564.54
  5. Step 5: Solve for x
    x = 492,592,297,564.54/879,081.48
  6. Step 6: Final answer
    x = 560,348.85

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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.