Home / 729,014.88-1,006,069.69-406,753.14

Finding the Fourth Proportional to 729,014.88, 1,006,069.69 and 406,753.14

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Solution

The fourth proportional to 729,014.88, 1,006,069.69 and 406,753.14 is: 561,335.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,014.88 : 1,006,069.69 = 406,753.14 : x
  2. Step 2: Convert to fraction form
    729,014.88/1,006,069.69 = 406,753.14/x
  3. Step 3: Cross multiply
    729,014.88x = 1,006,069.69 × 406,753.14
  4. Step 4: Simplify right side
    729,014.88x = 409,222,005,466.33
  5. Step 5: Solve for x
    x = 409,222,005,466.33/729,014.88
  6. Step 6: Final answer
    x = 561,335.60

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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.