Home / 667,296.02-920,869.36-361,372.89

Finding the Fourth Proportional to 667,296.02, 920,869.36 and 361,372.89

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Solution

The fourth proportional to 667,296.02, 920,869.36 and 361,372.89 is: 498,695.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,296.02 : 920,869.36 = 361,372.89 : x
  2. Step 2: Convert to fraction form
    667,296.02/920,869.36 = 361,372.89/x
  3. Step 3: Cross multiply
    667,296.02x = 920,869.36 × 361,372.89
  4. Step 4: Simplify right side
    667,296.02x = 332,777,224,485.48
  5. Step 5: Solve for x
    x = 332,777,224,485.48/667,296.02
  6. Step 6: Final answer
    x = 498,695.05

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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.