Home / 340,916.93-511,375.38-323,869.72

Finding the Fourth Proportional to 340,916.93, 511,375.38 and 323,869.72

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Solution

The fourth proportional to 340,916.93, 511,375.38 and 323,869.72 is: 485,804.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,916.93 : 511,375.38 = 323,869.72 : x
  2. Step 2: Convert to fraction form
    340,916.93/511,375.38 = 323,869.72/x
  3. Step 3: Cross multiply
    340,916.93x = 511,375.38 × 323,869.72
  4. Step 4: Simplify right side
    340,916.93x = 165,619,001,686.82
  5. Step 5: Solve for x
    x = 165,619,001,686.82/340,916.93
  6. Step 6: Final answer
    x = 485,804.57

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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.