Home / 855,634.98-1,180,790.19-468,443.86

Finding the Fourth Proportional to 855,634.98, 1,180,790.19 and 468,443.86

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Solution

The fourth proportional to 855,634.98, 1,180,790.19 and 468,443.86 is: 646,460.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,634.98 : 1,180,790.19 = 468,443.86 : x
  2. Step 2: Convert to fraction form
    855,634.98/1,180,790.19 = 468,443.86/x
  3. Step 3: Cross multiply
    855,634.98x = 1,180,790.19 × 468,443.86
  4. Step 4: Simplify right side
    855,634.98x = 553,133,914,453.73
  5. Step 5: Solve for x
    x = 553,133,914,453.73/855,634.98
  6. Step 6: Final answer
    x = 646,460.15

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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.