Home / 676,060.51-1,013,390.04-422,759.68

Finding the Fourth Proportional to 676,060.51, 1,013,390.04 and 422,759.68

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Solution

The fourth proportional to 676,060.51, 1,013,390.04 and 422,759.68 is: 633,701.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,060.51 : 1,013,390.04 = 422,759.68 : x
  2. Step 2: Convert to fraction form
    676,060.51/1,013,390.04 = 422,759.68/x
  3. Step 3: Cross multiply
    676,060.51x = 1,013,390.04 × 422,759.68
  4. Step 4: Simplify right side
    676,060.51x = 428,420,449,025.59
  5. Step 5: Solve for x
    x = 428,420,449,025.59/676,060.51
  6. Step 6: Final answer
    x = 633,701.34

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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.