Home / 987,807.72-1,481,966.58-304,679.22

Finding the Fourth Proportional to 987,807.72, 1,481,966.58 and 304,679.22

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Solution

The fourth proportional to 987,807.72, 1,481,966.58 and 304,679.22 is: 457,097.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,807.72 : 1,481,966.58 = 304,679.22 : x
  2. Step 2: Convert to fraction form
    987,807.72/1,481,966.58 = 304,679.22/x
  3. Step 3: Cross multiply
    987,807.72x = 1,481,966.58 × 304,679.22
  4. Step 4: Simplify right side
    987,807.72x = 451,524,421,660.47
  5. Step 5: Solve for x
    x = 451,524,421,660.47/987,807.72
  6. Step 6: Final answer
    x = 457,097.48

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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.