Home / 646,294.68-969,884.82-225,570.56

Finding the Fourth Proportional to 646,294.68, 969,884.82 and 225,570.56

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Solution

The fourth proportional to 646,294.68, 969,884.82 and 225,570.56 is: 338,510.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,294.68 : 969,884.82 = 225,570.56 : x
  2. Step 2: Convert to fraction form
    646,294.68/969,884.82 = 225,570.56/x
  3. Step 3: Cross multiply
    646,294.68x = 969,884.82 × 225,570.56
  4. Step 4: Simplify right side
    646,294.68x = 218,777,457,133.48
  5. Step 5: Solve for x
    x = 218,777,457,133.48/646,294.68
  6. Step 6: Final answer
    x = 338,510.38

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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.