Home / 803,255.72-1,204,886.39-204,216.94

Finding the Fourth Proportional to 803,255.72, 1,204,886.39 and 204,216.94

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Solution

The fourth proportional to 803,255.72, 1,204,886.39 and 204,216.94 is: 306,326.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,255.72 : 1,204,886.39 = 204,216.94 : x
  2. Step 2: Convert to fraction form
    803,255.72/1,204,886.39 = 204,216.94/x
  3. Step 3: Cross multiply
    803,255.72x = 1,204,886.39 × 204,216.94
  4. Step 4: Simplify right side
    803,255.72x = 246,058,211,613.45
  5. Step 5: Solve for x
    x = 246,058,211,613.45/803,255.72
  6. Step 6: Final answer
    x = 306,326.13

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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.