Home / 759,404.88-1,138,544.91-459,815.04

Finding the Fourth Proportional to 759,404.88, 1,138,544.91 and 459,815.04

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Solution

The fourth proportional to 759,404.88, 1,138,544.91 and 459,815.04 is: 689,382.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    759,404.88 : 1,138,544.91 = 459,815.04 : x
  2. Step 2: Convert to fraction form
    759,404.88/1,138,544.91 = 459,815.04/x
  3. Step 3: Cross multiply
    759,404.88x = 1,138,544.91 × 459,815.04
  4. Step 4: Simplify right side
    759,404.88x = 523,520,073,333.45
  5. Step 5: Solve for x
    x = 523,520,073,333.45/759,404.88
  6. Step 6: Final answer
    x = 689,382.02

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.