Home / 645,454.79-968,171.25-224,719.73

Finding the Fourth Proportional to 645,454.79, 968,171.25 and 224,719.73

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Solution

The fourth proportional to 645,454.79, 968,171.25 and 224,719.73 is: 337,075.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    645,454.79 : 968,171.25 = 224,719.73 : x
  2. Step 2: Convert to fraction form
    645,454.79/968,171.25 = 224,719.73/x
  3. Step 3: Cross multiply
    645,454.79x = 968,171.25 × 224,719.73
  4. Step 4: Simplify right side
    645,454.79x = 217,567,185,708.16
  5. Step 5: Solve for x
    x = 217,567,185,708.16/645,454.79
  6. Step 6: Final answer
    x = 337,075.79

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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.