Home / 855,282.08-1,180,292.39-462,815.03

Finding the Fourth Proportional to 855,282.08, 1,180,292.39 and 462,815.03

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Solution

The fourth proportional to 855,282.08, 1,180,292.39 and 462,815.03 is: 638,686.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,282.08 : 1,180,292.39 = 462,815.03 : x
  2. Step 2: Convert to fraction form
    855,282.08/1,180,292.39 = 462,815.03/x
  3. Step 3: Cross multiply
    855,282.08x = 1,180,292.39 × 462,815.03
  4. Step 4: Simplify right side
    855,282.08x = 546,257,049,671.09
  5. Step 5: Solve for x
    x = 546,257,049,671.09/855,282.08
  6. Step 6: Final answer
    x = 638,686.42

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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.