Home / 535,446.45-738,913.86-331,456.68

Finding the Fourth Proportional to 535,446.45, 738,913.86 and 331,456.68

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Solution

The fourth proportional to 535,446.45, 738,913.86 and 331,456.68 is: 457,408.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,446.45 : 738,913.86 = 331,456.68 : x
  2. Step 2: Convert to fraction form
    535,446.45/738,913.86 = 331,456.68/x
  3. Step 3: Cross multiply
    535,446.45x = 738,913.86 × 331,456.68
  4. Step 4: Simplify right side
    535,446.45x = 244,917,934,841.59
  5. Step 5: Solve for x
    x = 244,917,934,841.59/535,446.45
  6. Step 6: Final answer
    x = 457,408.83

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1.5x scale

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.