Home / 729,240.18-1,006,231.10-406,949.50

Finding the Fourth Proportional to 729,240.18, 1,006,231.10 and 406,949.50

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Solution

The fourth proportional to 729,240.18, 1,006,231.10 and 406,949.50 is: 561,523.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,240.18 : 1,006,231.10 = 406,949.50 : x
  2. Step 2: Convert to fraction form
    729,240.18/1,006,231.10 = 406,949.50/x
  3. Step 3: Cross multiply
    729,240.18x = 1,006,231.10 × 406,949.50
  4. Step 4: Simplify right side
    729,240.18x = 409,485,243,029.45
  5. Step 5: Solve for x
    x = 409,485,243,029.45/729,240.18
  6. Step 6: Final answer
    x = 561,523.15

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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.