Home / 572,211.82-789,571.56-342,715.36

Finding the Fourth Proportional to 572,211.82, 789,571.56 and 342,715.36

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Solution

The fourth proportional to 572,211.82, 789,571.56 and 342,715.36 is: 472,898.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,211.82 : 789,571.56 = 342,715.36 : x
  2. Step 2: Convert to fraction form
    572,211.82/789,571.56 = 342,715.36/x
  3. Step 3: Cross multiply
    572,211.82x = 789,571.56 × 342,715.36
  4. Step 4: Simplify right side
    572,211.82x = 270,598,301,431.16
  5. Step 5: Solve for x
    x = 270,598,301,431.16/572,211.82
  6. Step 6: Final answer
    x = 472,898.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.