Home / 667,642.23-1,000,259.28-411,028.22

Finding the Fourth Proportional to 667,642.23, 1,000,259.28 and 411,028.22

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Solution

The fourth proportional to 667,642.23, 1,000,259.28 and 411,028.22 is: 615,801.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,642.23 : 1,000,259.28 = 411,028.22 : x
  2. Step 2: Convert to fraction form
    667,642.23/1,000,259.28 = 411,028.22/x
  3. Step 3: Cross multiply
    667,642.23x = 1,000,259.28 × 411,028.22
  4. Step 4: Simplify right side
    667,642.23x = 411,134,793,897.53
  5. Step 5: Solve for x
    x = 411,134,793,897.53/667,642.23
  6. Step 6: Final answer
    x = 615,801.06

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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.