Home / 814,273.70-1,123,704.49-451,721.30

Finding the Fourth Proportional to 814,273.70, 1,123,704.49 and 451,721.30

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Solution

The fourth proportional to 814,273.70, 1,123,704.49 and 451,721.30 is: 623,379.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,273.70 : 1,123,704.49 = 451,721.30 : x
  2. Step 2: Convert to fraction form
    814,273.70/1,123,704.49 = 451,721.30/x
  3. Step 3: Cross multiply
    814,273.70x = 1,123,704.49 × 451,721.30
  4. Step 4: Simplify right side
    814,273.70x = 507,601,253,038.64
  5. Step 5: Solve for x
    x = 507,601,253,038.64/814,273.70
  6. Step 6: Final answer
    x = 623,379.16

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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.