Home / 535,418.02-738,752.97-320,476.42

Finding the Fourth Proportional to 535,418.02, 738,752.97 and 320,476.42

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Solution

The fourth proportional to 535,418.02, 738,752.97 and 320,476.42 is: 442,183.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,418.02 : 738,752.97 = 320,476.42 : x
  2. Step 2: Convert to fraction form
    535,418.02/738,752.97 = 320,476.42/x
  3. Step 3: Cross multiply
    535,418.02x = 738,752.97 × 320,476.42
  4. Step 4: Simplify right side
    535,418.02x = 236,752,907,089.97
  5. Step 5: Solve for x
    x = 236,752,907,089.97/535,418.02
  6. Step 6: Final answer
    x = 442,183.30

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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.