Home / 667,072.02-1,000,605.87-515,489.16

Finding the Fourth Proportional to 667,072.02, 1,000,605.87 and 515,489.16

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Solution

The fourth proportional to 667,072.02, 1,000,605.87 and 515,489.16 is: 773,232.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,072.02 : 1,000,605.87 = 515,489.16 : x
  2. Step 2: Convert to fraction form
    667,072.02/1,000,605.87 = 515,489.16/x
  3. Step 3: Cross multiply
    667,072.02x = 1,000,605.87 × 515,489.16
  4. Step 4: Simplify right side
    667,072.02x = 515,801,479,417.37
  5. Step 5: Solve for x
    x = 515,801,479,417.37/667,072.02
  6. Step 6: Final answer
    x = 773,232.07

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.