Home / 864,499.80-1,296,942.66-265,521.54

Finding the Fourth Proportional to 864,499.80, 1,296,942.66 and 265,521.54

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Solution

The fourth proportional to 864,499.80, 1,296,942.66 and 265,521.54 is: 398,341.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,499.80 : 1,296,942.66 = 265,521.54 : x
  2. Step 2: Convert to fraction form
    864,499.80/1,296,942.66 = 265,521.54/x
  3. Step 3: Cross multiply
    864,499.80x = 1,296,942.66 × 265,521.54
  4. Step 4: Simplify right side
    864,499.80x = 344,366,212,374.90
  5. Step 5: Solve for x
    x = 344,366,212,374.90/864,499.80
  6. Step 6: Final answer
    x = 398,341.58

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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.