Home / 676,650.69-1,014,658.20-392,422.05

Finding the Fourth Proportional to 676,650.69, 1,014,658.20 and 392,422.05

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Solution

The fourth proportional to 676,650.69, 1,014,658.20 and 392,422.05 is: 588,448.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,650.69 : 1,014,658.20 = 392,422.05 : x
  2. Step 2: Convert to fraction form
    676,650.69/1,014,658.20 = 392,422.05/x
  3. Step 3: Cross multiply
    676,650.69x = 1,014,658.20 × 392,422.05
  4. Step 4: Simplify right side
    676,650.69x = 398,174,250,893.31
  5. Step 5: Solve for x
    x = 398,174,250,893.31/676,650.69
  6. Step 6: Final answer
    x = 588,448.75

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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.