Home / 668,733.20-1,002,889.31-219,349.58

Finding the Fourth Proportional to 668,733.20, 1,002,889.31 and 219,349.58

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Solution

The fourth proportional to 668,733.20, 1,002,889.31 and 219,349.58 is: 328,955.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,733.20 : 1,002,889.31 = 219,349.58 : x
  2. Step 2: Convert to fraction form
    668,733.20/1,002,889.31 = 219,349.58/x
  3. Step 3: Cross multiply
    668,733.20x = 1,002,889.31 × 219,349.58
  4. Step 4: Simplify right side
    668,733.20x = 219,983,348,934.99
  5. Step 5: Solve for x
    x = 219,983,348,934.99/668,733.20
  6. Step 6: Final answer
    x = 328,955.33

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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.