Home / 987,762.87-1,481,899.96-304,634.63

Finding the Fourth Proportional to 987,762.87, 1,481,899.96 and 304,634.63

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Solution

The fourth proportional to 987,762.87, 1,481,899.96 and 304,634.63 is: 457,030.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,762.87 : 1,481,899.96 = 304,634.63 : x
  2. Step 2: Convert to fraction form
    987,762.87/1,481,899.96 = 304,634.63/x
  3. Step 3: Cross multiply
    987,762.87x = 1,481,899.96 × 304,634.63
  4. Step 4: Simplify right side
    987,762.87x = 451,438,046,011.62
  5. Step 5: Solve for x
    x = 451,438,046,011.62/987,762.87
  6. Step 6: Final answer
    x = 457,030.79

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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.