Home / 987,801.72-1,481,957.58-304,673.21

Finding the Fourth Proportional to 987,801.72, 1,481,957.58 and 304,673.21

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Solution

The fourth proportional to 987,801.72, 1,481,957.58 and 304,673.21 is: 457,088.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,801.72 : 1,481,957.58 = 304,673.21 : x
  2. Step 2: Convert to fraction form
    987,801.72/1,481,957.58 = 304,673.21/x
  3. Step 3: Cross multiply
    987,801.72x = 1,481,957.58 × 304,673.21
  4. Step 4: Simplify right side
    987,801.72x = 451,512,772,272.51
  5. Step 5: Solve for x
    x = 451,512,772,272.51/987,801.72
  6. Step 6: Final answer
    x = 457,088.47

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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.