Home / 987,264.45-1,481,443.13-481,829.61

Finding the Fourth Proportional to 987,264.45, 1,481,443.13 and 481,829.61

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Solution

The fourth proportional to 987,264.45, 1,481,443.13 and 481,829.61 is: 723,011.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,264.45 : 1,481,443.13 = 481,829.61 : x
  2. Step 2: Convert to fraction form
    987,264.45/1,481,443.13 = 481,829.61/x
  3. Step 3: Cross multiply
    987,264.45x = 1,481,443.13 × 481,829.61
  4. Step 4: Simplify right side
    987,264.45x = 713,803,163,155.93
  5. Step 5: Solve for x
    x = 713,803,163,155.93/987,264.45
  6. Step 6: Final answer
    x = 723,011.11

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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.