Home / 645,800.46-968,175.81-225,371.58

Finding the Fourth Proportional to 645,800.46, 968,175.81 and 225,371.58

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Solution

The fourth proportional to 645,800.46, 968,175.81 and 225,371.58 is: 337,874.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    645,800.46 : 968,175.81 = 225,371.58 : x
  2. Step 2: Convert to fraction form
    645,800.46/968,175.81 = 225,371.58/x
  3. Step 3: Cross multiply
    645,800.46x = 968,175.81 × 225,371.58
  4. Step 4: Simplify right side
    645,800.46x = 218,199,312,017.48
  5. Step 5: Solve for x
    x = 218,199,312,017.48/645,800.46
  6. Step 6: Final answer
    x = 337,874.20

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1.5x scale

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.