Home / 645,799.10-968,173.76-225,370.22

Finding the Fourth Proportional to 645,799.10, 968,173.76 and 225,370.22

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Solution

The fourth proportional to 645,799.10, 968,173.76 and 225,370.22 is: 337,872.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    645,799.10 : 968,173.76 = 225,370.22 : x
  2. Step 2: Convert to fraction form
    645,799.10/968,173.76 = 225,370.22/x
  3. Step 3: Cross multiply
    645,799.10x = 968,173.76 × 225,370.22
  4. Step 4: Simplify right side
    645,799.10x = 218,197,527,321.71
  5. Step 5: Solve for x
    x = 218,197,527,321.71/645,799.10
  6. Step 6: Final answer
    x = 337,872.15

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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.