Home / 729,107.36-1,006,259-423,118.04

Finding the Fourth Proportional to 729,107.36, 1,006,259 and 423,118.04

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Solution

The fourth proportional to 729,107.36, 1,006,259 and 423,118.04 is: 583,955.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,107.36 : 1,006,259 = 423,118.04 : x
  2. Step 2: Convert to fraction form
    729,107.36/1,006,259 = 423,118.04/x
  3. Step 3: Cross multiply
    729,107.36x = 1,006,259 × 423,118.04
  4. Step 4: Simplify right side
    729,107.36x = 425,766,335,812.36
  5. Step 5: Solve for x
    x = 425,766,335,812.36/729,107.36
  6. Step 6: Final answer
    x = 583,955.61

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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.