Home / 677,874.62-1,015,760.69-392,858.24

Finding the Fourth Proportional to 677,874.62, 1,015,760.69 and 392,858.24

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Solution

The fourth proportional to 677,874.62, 1,015,760.69 and 392,858.24 is: 588,678.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,874.62 : 1,015,760.69 = 392,858.24 : x
  2. Step 2: Convert to fraction form
    677,874.62/1,015,760.69 = 392,858.24/x
  3. Step 3: Cross multiply
    677,874.62x = 1,015,760.69 × 392,858.24
  4. Step 4: Simplify right side
    677,874.62x = 399,049,956,934.59
  5. Step 5: Solve for x
    x = 399,049,956,934.59/677,874.62
  6. Step 6: Final answer
    x = 588,678.12

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1.5x scale

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.