Home / 663,115.63-994,867.54-213,827.46

Finding the Fourth Proportional to 663,115.63, 994,867.54 and 213,827.46

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Solution

The fourth proportional to 663,115.63, 994,867.54 and 213,827.46 is: 320,803.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,115.63 : 994,867.54 = 213,827.46 : x
  2. Step 2: Convert to fraction form
    663,115.63/994,867.54 = 213,827.46/x
  3. Step 3: Cross multiply
    663,115.63x = 994,867.54 × 213,827.46
  4. Step 4: Simplify right side
    663,115.63x = 212,730,001,046.85
  5. Step 5: Solve for x
    x = 212,730,001,046.85/663,115.63
  6. Step 6: Final answer
    x = 320,803.78

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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.