Home / 725,072.10-1,087,663.51-219,674.94

Finding the Fourth Proportional to 725,072.10, 1,087,663.51 and 219,674.94

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Solution

The fourth proportional to 725,072.10, 1,087,663.51 and 219,674.94 is: 329,529.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,072.10 : 1,087,663.51 = 219,674.94 : x
  2. Step 2: Convert to fraction form
    725,072.10/1,087,663.51 = 219,674.94/x
  3. Step 3: Cross multiply
    725,072.10x = 1,087,663.51 × 219,674.94
  4. Step 4: Simplify right side
    725,072.10x = 238,932,412,495.30
  5. Step 5: Solve for x
    x = 238,932,412,495.30/725,072.10
  6. Step 6: Final answer
    x = 329,529.18

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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.