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Finding the Fourth Proportional to 618,067.32, 852,860.88 and 360,000.84

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Solution

The fourth proportional to 618,067.32, 852,860.88 and 360,000.84 is: 496,759.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,067.32 : 852,860.88 = 360,000.84 : x
  2. Step 2: Convert to fraction form
    618,067.32/852,860.88 = 360,000.84/x
  3. Step 3: Cross multiply
    618,067.32x = 852,860.88 × 360,000.84
  4. Step 4: Simplify right side
    618,067.32x = 307,030,633,203.14
  5. Step 5: Solve for x
    x = 307,030,633,203.14/618,067.32
  6. Step 6: Final answer
    x = 496,759.21

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1.5x scale

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.