Home / 907,421.44-1,361,335.36-276,384.64

Finding the Fourth Proportional to 907,421.44, 1,361,335.36 and 276,384.64

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Solution

The fourth proportional to 907,421.44, 1,361,335.36 and 276,384.64 is: 414,638.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,421.44 : 1,361,335.36 = 276,384.64 : x
  2. Step 2: Convert to fraction form
    907,421.44/1,361,335.36 = 276,384.64/x
  3. Step 3: Cross multiply
    907,421.44x = 1,361,335.36 × 276,384.64
  4. Step 4: Simplify right side
    907,421.44x = 376,252,183,392.87
  5. Step 5: Solve for x
    x = 376,252,183,392.87/907,421.44
  6. Step 6: Final answer
    x = 414,638.85

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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.