Home / 414,175.30-620,352.32-342,283.14

Finding the Fourth Proportional to 414,175.30, 620,352.32 and 342,283.14

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Solution

The fourth proportional to 414,175.30, 620,352.32 and 342,283.14 is: 512,672.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,175.30 : 620,352.32 = 342,283.14 : x
  2. Step 2: Convert to fraction form
    414,175.30/620,352.32 = 342,283.14/x
  3. Step 3: Cross multiply
    414,175.30x = 620,352.32 × 342,283.14
  4. Step 4: Simplify right side
    414,175.30x = 212,336,139,995.89
  5. Step 5: Solve for x
    x = 212,336,139,995.89/414,175.30
  6. Step 6: Final answer
    x = 512,672.15

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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.