Home / 814,475.76-1,123,976.76-451,898.80

Finding the Fourth Proportional to 814,475.76, 1,123,976.76 and 451,898.80

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Solution

The fourth proportional to 814,475.76, 1,123,976.76 and 451,898.80 is: 623,620.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,475.76 : 1,123,976.76 = 451,898.80 : x
  2. Step 2: Convert to fraction form
    814,475.76/1,123,976.76 = 451,898.80/x
  3. Step 3: Cross multiply
    814,475.76x = 1,123,976.76 × 451,898.80
  4. Step 4: Simplify right side
    814,475.76x = 507,923,744,567.33
  5. Step 5: Solve for x
    x = 507,923,744,567.33/814,475.76
  6. Step 6: Final answer
    x = 623,620.46

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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.