Home / 782,858.72-1,174,288.16-221,893.28

Finding the Fourth Proportional to 782,858.72, 1,174,288.16 and 221,893.28

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Solution

The fourth proportional to 782,858.72, 1,174,288.16 and 221,893.28 is: 332,839.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,858.72 : 1,174,288.16 = 221,893.28 : x
  2. Step 2: Convert to fraction form
    782,858.72/1,174,288.16 = 221,893.28/x
  3. Step 3: Cross multiply
    782,858.72x = 1,174,288.16 × 221,893.28
  4. Step 4: Simplify right side
    782,858.72x = 260,566,651,487.57
  5. Step 5: Solve for x
    x = 260,566,651,487.57/782,858.72
  6. Step 6: Final answer
    x = 332,839.94

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1.5x scale

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.