Home / 668,733.71-1,002,890.06-219,350.09

Finding the Fourth Proportional to 668,733.71, 1,002,890.06 and 219,350.09

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Solution

The fourth proportional to 668,733.71, 1,002,890.06 and 219,350.09 is: 328,956.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,733.71 : 1,002,890.06 = 219,350.09 : x
  2. Step 2: Convert to fraction form
    668,733.71/1,002,890.06 = 219,350.09/x
  3. Step 3: Cross multiply
    668,733.71x = 1,002,890.06 × 219,350.09
  4. Step 4: Simplify right side
    668,733.71x = 219,984,018,809.91
  5. Step 5: Solve for x
    x = 219,984,018,809.91/668,733.71
  6. Step 6: Final answer
    x = 328,956.08

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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.