Home / 524,707.20-787,439.04-208,981.44

Finding the Fourth Proportional to 524,707.20, 787,439.04 and 208,981.44

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Solution

The fourth proportional to 524,707.20, 787,439.04 and 208,981.44 is: 313,622.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,707.20 : 787,439.04 = 208,981.44 : x
  2. Step 2: Convert to fraction form
    524,707.20/787,439.04 = 208,981.44/x
  3. Step 3: Cross multiply
    524,707.20x = 787,439.04 × 208,981.44
  4. Step 4: Simplify right side
    524,707.20x = 164,560,144,491.42
  5. Step 5: Solve for x
    x = 164,560,144,491.42/524,707.20
  6. Step 6: Final answer
    x = 313,622.81

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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.