Home / 888,105.66-1,225,586.66-480,207.39

Finding the Fourth Proportional to 888,105.66, 1,225,586.66 and 480,207.39

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Solution

The fourth proportional to 888,105.66, 1,225,586.66 and 480,207.39 is: 662,686.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,105.66 : 1,225,586.66 = 480,207.39 : x
  2. Step 2: Convert to fraction form
    888,105.66/1,225,586.66 = 480,207.39/x
  3. Step 3: Cross multiply
    888,105.66x = 1,225,586.66 × 480,207.39
  4. Step 4: Simplify right side
    888,105.66x = 588,535,771,217.42
  5. Step 5: Solve for x
    x = 588,535,771,217.42/888,105.66
  6. Step 6: Final answer
    x = 662,686.66

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1.5x scale

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.