Home / 535,484.87-738,922.05-305,996.61

Finding the Fourth Proportional to 535,484.87, 738,922.05 and 305,996.61

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Solution

The fourth proportional to 535,484.87, 738,922.05 and 305,996.61 is: 422,248.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,484.87 : 738,922.05 = 305,996.61 : x
  2. Step 2: Convert to fraction form
    535,484.87/738,922.05 = 305,996.61/x
  3. Step 3: Cross multiply
    535,484.87x = 738,922.05 × 305,996.61
  4. Step 4: Simplify right side
    535,484.87x = 226,107,642,354.25
  5. Step 5: Solve for x
    x = 226,107,642,354.25/535,484.87
  6. Step 6: Final answer
    x = 422,248.43

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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.