Home / 413,829.60-621,178.76-366,745.92

Finding the Fourth Proportional to 413,829.60, 621,178.76 and 366,745.92

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Solution

The fourth proportional to 413,829.60, 621,178.76 and 366,745.92 is: 550,503.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,829.60 : 621,178.76 = 366,745.92 : x
  2. Step 2: Convert to fraction form
    413,829.60/621,178.76 = 366,745.92/x
  3. Step 3: Cross multiply
    413,829.60x = 621,178.76 × 366,745.92
  4. Step 4: Simplify right side
    413,829.60x = 227,814,775,820.66
  5. Step 5: Solve for x
    x = 227,814,775,820.66/413,829.60
  6. Step 6: Final answer
    x = 550,503.82

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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.