Home / 746,157.89-1,029,405.57-459,179.75

Finding the Fourth Proportional to 746,157.89, 1,029,405.57 and 459,179.75

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Solution

The fourth proportional to 746,157.89, 1,029,405.57 and 459,179.75 is: 633,488.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,157.89 : 1,029,405.57 = 459,179.75 : x
  2. Step 2: Convert to fraction form
    746,157.89/1,029,405.57 = 459,179.75/x
  3. Step 3: Cross multiply
    746,157.89x = 1,029,405.57 × 459,179.75
  4. Step 4: Simplify right side
    746,157.89x = 472,682,187,134.18
  5. Step 5: Solve for x
    x = 472,682,187,134.18/746,157.89
  6. Step 6: Final answer
    x = 633,488.16

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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.