Home / 500,933.36-691,280.52-274,579.28

Finding the Fourth Proportional to 500,933.36, 691,280.52 and 274,579.28

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Solution

The fourth proportional to 500,933.36, 691,280.52 and 274,579.28 is: 378,915.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,933.36 : 691,280.52 = 274,579.28 : x
  2. Step 2: Convert to fraction form
    500,933.36/691,280.52 = 274,579.28/x
  3. Step 3: Cross multiply
    500,933.36x = 691,280.52 × 274,579.28
  4. Step 4: Simplify right side
    500,933.36x = 189,811,307,459.63
  5. Step 5: Solve for x
    x = 189,811,307,459.63/500,933.36
  6. Step 6: Final answer
    x = 378,915.29

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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.