Home / 729,003.92-1,006,022.84-406,713.83

Finding the Fourth Proportional to 729,003.92, 1,006,022.84 and 406,713.83

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Solution

The fourth proportional to 729,003.92, 1,006,022.84 and 406,713.83 is: 561,263.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,003.92 : 1,006,022.84 = 406,713.83 : x
  2. Step 2: Convert to fraction form
    729,003.92/1,006,022.84 = 406,713.83/x
  3. Step 3: Cross multiply
    729,003.92x = 1,006,022.84 × 406,713.83
  4. Step 4: Simplify right side
    729,003.92x = 409,163,395,260.19
  5. Step 5: Solve for x
    x = 409,163,395,260.19/729,003.92
  6. Step 6: Final answer
    x = 561,263.65

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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.