Home / 399,076.20-598,808.70-304,273.80

Finding the Fourth Proportional to 399,076.20, 598,808.70 and 304,273.80

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Solution

The fourth proportional to 399,076.20, 598,808.70 and 304,273.80 is: 456,558.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,076.20 : 598,808.70 = 304,273.80 : x
  2. Step 2: Convert to fraction form
    399,076.20/598,808.70 = 304,273.80/x
  3. Step 3: Cross multiply
    399,076.20x = 598,808.70 × 304,273.80
  4. Step 4: Simplify right side
    399,076.20x = 182,201,798,622.06
  5. Step 5: Solve for x
    x = 182,201,798,622.06/399,076.20
  6. Step 6: Final answer
    x = 456,558.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.