Home / 645,455.43-968,314.37-224,764.11

Finding the Fourth Proportional to 645,455.43, 968,314.37 and 224,764.11

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Solution

The fourth proportional to 645,455.43, 968,314.37 and 224,764.11 is: 337,191.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    645,455.43 : 968,314.37 = 224,764.11 : x
  2. Step 2: Convert to fraction form
    645,455.43/968,314.37 = 224,764.11/x
  3. Step 3: Cross multiply
    645,455.43x = 968,314.37 × 224,764.11
  4. Step 4: Simplify right side
    645,455.43x = 217,642,317,573.26
  5. Step 5: Solve for x
    x = 217,642,317,573.26/645,455.43
  6. Step 6: Final answer
    x = 337,191.86

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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.