Home / 814,267.44-1,123,218.90-507,811.91

Finding the Fourth Proportional to 814,267.44, 1,123,218.90 and 507,811.91

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Solution

The fourth proportional to 814,267.44, 1,123,218.90 and 507,811.91 is: 700,487.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,267.44 : 1,123,218.90 = 507,811.91 : x
  2. Step 2: Convert to fraction form
    814,267.44/1,123,218.90 = 507,811.91/x
  3. Step 3: Cross multiply
    814,267.44x = 1,123,218.90 × 507,811.91
  4. Step 4: Simplify right side
    814,267.44x = 570,383,929,341.01
  5. Step 5: Solve for x
    x = 570,383,929,341.01/814,267.44
  6. Step 6: Final answer
    x = 700,487.21

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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.