Home / 885,719.64-1,328,584.50-220,871.64

Finding the Fourth Proportional to 885,719.64, 1,328,584.50 and 220,871.64

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Solution

The fourth proportional to 885,719.64, 1,328,584.50 and 220,871.64 is: 331,308.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,719.64 : 1,328,584.50 = 220,871.64 : x
  2. Step 2: Convert to fraction form
    885,719.64/1,328,584.50 = 220,871.64/x
  3. Step 3: Cross multiply
    885,719.64x = 1,328,584.50 × 220,871.64
  4. Step 4: Simplify right side
    885,719.64x = 293,446,637,393.58
  5. Step 5: Solve for x
    x = 293,446,637,393.58/885,719.64
  6. Step 6: Final answer
    x = 331,308.72

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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.