Home / 814,388.20-1,123,862.50-451,835.84

Finding the Fourth Proportional to 814,388.20, 1,123,862.50 and 451,835.84

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Solution

The fourth proportional to 814,388.20, 1,123,862.50 and 451,835.84 is: 623,537.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,388.20 : 1,123,862.50 = 451,835.84 : x
  2. Step 2: Convert to fraction form
    814,388.20/1,123,862.50 = 451,835.84/x
  3. Step 3: Cross multiply
    814,388.20x = 1,123,862.50 × 451,835.84
  4. Step 4: Simplify right side
    814,388.20x = 507,801,356,732
  5. Step 5: Solve for x
    x = 507,801,356,732/814,388.20
  6. Step 6: Final answer
    x = 623,537.22

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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.