Home / 987,076.64-1,480,384.92-277,173.20

Finding the Fourth Proportional to 987,076.64, 1,480,384.92 and 277,173.20

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Solution

The fourth proportional to 987,076.64, 1,480,384.92 and 277,173.20 is: 415,695.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,076.64 : 1,480,384.92 = 277,173.20 : x
  2. Step 2: Convert to fraction form
    987,076.64/1,480,384.92 = 277,173.20/x
  3. Step 3: Cross multiply
    987,076.64x = 1,480,384.92 × 277,173.20
  4. Step 4: Simplify right side
    987,076.64x = 410,323,025,508.14
  5. Step 5: Solve for x
    x = 410,323,025,508.14/987,076.64
  6. Step 6: Final answer
    x = 415,695.20

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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.