Home / 856,320.75-1,181,722.64-474,372.27

Finding the Fourth Proportional to 856,320.75, 1,181,722.64 and 474,372.27

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Solution

The fourth proportional to 856,320.75, 1,181,722.64 and 474,372.27 is: 654,633.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,320.75 : 1,181,722.64 = 474,372.27 : x
  2. Step 2: Convert to fraction form
    856,320.75/1,181,722.64 = 474,372.27/x
  3. Step 3: Cross multiply
    856,320.75x = 1,181,722.64 × 474,372.27
  4. Step 4: Simplify right side
    856,320.75x = 560,576,448,875.33
  5. Step 5: Solve for x
    x = 560,576,448,875.33/856,320.75
  6. Step 6: Final answer
    x = 654,633.73

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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.