Home / 722,029.64-996,397.25-395,336.72

Finding the Fourth Proportional to 722,029.64, 996,397.25 and 395,336.72

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Solution

The fourth proportional to 722,029.64, 996,397.25 and 395,336.72 is: 545,562.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,029.64 : 996,397.25 = 395,336.72 : x
  2. Step 2: Convert to fraction form
    722,029.64/996,397.25 = 395,336.72/x
  3. Step 3: Cross multiply
    722,029.64x = 996,397.25 × 395,336.72
  4. Step 4: Simplify right side
    722,029.64x = 393,912,420,632.02
  5. Step 5: Solve for x
    x = 393,912,420,632.02/722,029.64
  6. Step 6: Final answer
    x = 545,562.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.