Home / 907,379.20-1,361,275.36-276,342.24

Finding the Fourth Proportional to 907,379.20, 1,361,275.36 and 276,342.24

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Solution

The fourth proportional to 907,379.20, 1,361,275.36 and 276,342.24 is: 414,576.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,379.20 : 1,361,275.36 = 276,342.24 : x
  2. Step 2: Convert to fraction form
    907,379.20/1,361,275.36 = 276,342.24/x
  3. Step 3: Cross multiply
    907,379.20x = 1,361,275.36 × 276,342.24
  4. Step 4: Simplify right side
    907,379.20x = 376,177,882,239.21
  5. Step 5: Solve for x
    x = 376,177,882,239.21/907,379.20
  6. Step 6: Final answer
    x = 414,576.27

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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.