Home / 853,472.70-1,177,826.22-490,896.18

Finding the Fourth Proportional to 853,472.70, 1,177,826.22 and 490,896.18

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Solution

The fourth proportional to 853,472.70, 1,177,826.22 and 490,896.18 is: 677,456.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,472.70 : 1,177,826.22 = 490,896.18 : x
  2. Step 2: Convert to fraction form
    853,472.70/1,177,826.22 = 490,896.18/x
  3. Step 3: Cross multiply
    853,472.70x = 1,177,826.22 × 490,896.18
  4. Step 4: Simplify right side
    853,472.70x = 578,190,392,101.84
  5. Step 5: Solve for x
    x = 578,190,392,101.84/853,472.70
  6. Step 6: Final answer
    x = 677,456.22

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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.