Home / 888,127.82-1,225,615.53-480,228.68

Finding the Fourth Proportional to 888,127.82, 1,225,615.53 and 480,228.68

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Solution

The fourth proportional to 888,127.82, 1,225,615.53 and 480,228.68 is: 662,715.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,127.82 : 1,225,615.53 = 480,228.68 : x
  2. Step 2: Convert to fraction form
    888,127.82/1,225,615.53 = 480,228.68/x
  3. Step 3: Cross multiply
    888,127.82x = 1,225,615.53 × 480,228.68
  4. Step 4: Simplify right side
    888,127.82x = 588,575,728,822.30
  5. Step 5: Solve for x
    x = 588,575,728,822.30/888,127.82
  6. Step 6: Final answer
    x = 662,715.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.