Home / 762,619.74-1,142,535.39-357,067.94

Finding the Fourth Proportional to 762,619.74, 1,142,535.39 and 357,067.94

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Solution

The fourth proportional to 762,619.74, 1,142,535.39 and 357,067.94 is: 534,949.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,619.74 : 1,142,535.39 = 357,067.94 : x
  2. Step 2: Convert to fraction form
    762,619.74/1,142,535.39 = 357,067.94/x
  3. Step 3: Cross multiply
    762,619.74x = 1,142,535.39 × 357,067.94
  4. Step 4: Simplify right side
    762,619.74x = 407,962,752,371.72
  5. Step 5: Solve for x
    x = 407,962,752,371.72/762,619.74
  6. Step 6: Final answer
    x = 534,949.11

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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.