Home / 474,869.62-655,260.03-378,318.35

Finding the Fourth Proportional to 474,869.62, 655,260.03 and 378,318.35

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Solution

The fourth proportional to 474,869.62, 655,260.03 and 378,318.35 is: 522,031.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,869.62 : 655,260.03 = 378,318.35 : x
  2. Step 2: Convert to fraction form
    474,869.62/655,260.03 = 378,318.35/x
  3. Step 3: Cross multiply
    474,869.62x = 655,260.03 × 378,318.35
  4. Step 4: Simplify right side
    474,869.62x = 247,896,893,370.55
  5. Step 5: Solve for x
    x = 247,896,893,370.55/474,869.62
  6. Step 6: Final answer
    x = 522,031.49

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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.