Home / 725,047.68-999,785.70-453,016.20

Finding the Fourth Proportional to 725,047.68, 999,785.70 and 453,016.20

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Solution

The fourth proportional to 725,047.68, 999,785.70 and 453,016.20 is: 624,674.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,047.68 : 999,785.70 = 453,016.20 : x
  2. Step 2: Convert to fraction form
    725,047.68/999,785.70 = 453,016.20/x
  3. Step 3: Cross multiply
    725,047.68x = 999,785.70 × 453,016.20
  4. Step 4: Simplify right side
    725,047.68x = 452,919,118,628.34
  5. Step 5: Solve for x
    x = 452,919,118,628.34/725,047.68
  6. Step 6: Final answer
    x = 624,674.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.