Home / 535,473.02-738,945.78-306,028.10

Finding the Fourth Proportional to 535,473.02, 738,945.78 and 306,028.10

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Solution

The fourth proportional to 535,473.02, 738,945.78 and 306,028.10 is: 422,314.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,473.02 : 738,945.78 = 306,028.10 : x
  2. Step 2: Convert to fraction form
    535,473.02/738,945.78 = 306,028.10/x
  3. Step 3: Cross multiply
    535,473.02x = 738,945.78 × 306,028.10
  4. Step 4: Simplify right side
    535,473.02x = 226,138,173,056.42
  5. Step 5: Solve for x
    x = 226,138,173,056.42/535,473.02
  6. Step 6: Final answer
    x = 422,314.78

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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.