Home / 340,926.90-511,390.29-323,879.69

Finding the Fourth Proportional to 340,926.90, 511,390.29 and 323,879.69

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Solution

The fourth proportional to 340,926.90, 511,390.29 and 323,879.69 is: 485,819.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,926.90 : 511,390.29 = 323,879.69 : x
  2. Step 2: Convert to fraction form
    340,926.90/511,390.29 = 323,879.69/x
  3. Step 3: Cross multiply
    340,926.90x = 511,390.29 × 323,879.69
  4. Step 4: Simplify right side
    340,926.90x = 165,628,931,087.24
  5. Step 5: Solve for x
    x = 165,628,931,087.24/340,926.90
  6. Step 6: Final answer
    x = 485,819.49

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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.