Home / 500,479.36-750,760.04-145,493.01

Finding the Fourth Proportional to 500,479.36, 750,760.04 and 145,493.01

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Solution

The fourth proportional to 500,479.36, 750,760.04 and 145,493.01 is: 218,251.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,479.36 : 750,760.04 = 145,493.01 : x
  2. Step 2: Convert to fraction form
    500,479.36/750,760.04 = 145,493.01/x
  3. Step 3: Cross multiply
    500,479.36x = 750,760.04 × 145,493.01
  4. Step 4: Simplify right side
    500,479.36x = 109,230,338,371.05
  5. Step 5: Solve for x
    x = 109,230,338,371.05/500,479.36
  6. Step 6: Final answer
    x = 218,251.44

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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.