Home / 855,213.39-1,282,441.01-455,779.71

Finding the Fourth Proportional to 855,213.39, 1,282,441.01 and 455,779.71

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Solution

The fourth proportional to 855,213.39, 1,282,441.01 and 455,779.71 is: 683,467.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,213.39 : 1,282,441.01 = 455,779.71 : x
  2. Step 2: Convert to fraction form
    855,213.39/1,282,441.01 = 455,779.71/x
  3. Step 3: Cross multiply
    855,213.39x = 1,282,441.01 × 455,779.71
  4. Step 4: Simplify right side
    855,213.39x = 584,510,589,351.01
  5. Step 5: Solve for x
    x = 584,510,589,351.01/855,213.39
  6. Step 6: Final answer
    x = 683,467.54

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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.