Home / 855,011.58-1,282,479.57-223,911.42

Finding the Fourth Proportional to 855,011.58, 1,282,479.57 and 223,911.42

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Solution

The fourth proportional to 855,011.58, 1,282,479.57 and 223,911.42 is: 335,857.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,011.58 : 1,282,479.57 = 223,911.42 : x
  2. Step 2: Convert to fraction form
    855,011.58/1,282,479.57 = 223,911.42/x
  3. Step 3: Cross multiply
    855,011.58x = 1,282,479.57 × 223,911.42
  4. Step 4: Simplify right side
    855,011.58x = 287,161,821,639.69
  5. Step 5: Solve for x
    x = 287,161,821,639.69/855,011.58
  6. Step 6: Final answer
    x = 335,857.23

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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.