Home / 814,123.80-1,122,755.45-508,228.43

Finding the Fourth Proportional to 814,123.80, 1,122,755.45 and 508,228.43

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Solution

The fourth proportional to 814,123.80, 1,122,755.45 and 508,228.43 is: 700,896.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,123.80 : 1,122,755.45 = 508,228.43 : x
  2. Step 2: Convert to fraction form
    814,123.80/1,122,755.45 = 508,228.43/x
  3. Step 3: Cross multiply
    814,123.80x = 1,122,755.45 × 508,228.43
  4. Step 4: Simplify right side
    814,123.80x = 570,616,231,472.52
  5. Step 5: Solve for x
    x = 570,616,231,472.52/814,123.80
  6. Step 6: Final answer
    x = 700,896.14

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1.5x scale

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.