Home / 842,790.78-1,163,055.75-460,817.58

Finding the Fourth Proportional to 842,790.78, 1,163,055.75 and 460,817.58

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Solution

The fourth proportional to 842,790.78, 1,163,055.75 and 460,817.58 is: 635,930.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,790.78 : 1,163,055.75 = 460,817.58 : x
  2. Step 2: Convert to fraction form
    842,790.78/1,163,055.75 = 460,817.58/x
  3. Step 3: Cross multiply
    842,790.78x = 1,163,055.75 × 460,817.58
  4. Step 4: Simplify right side
    842,790.78x = 535,956,536,120.09
  5. Step 5: Solve for x
    x = 535,956,536,120.09/842,790.78
  6. Step 6: Final answer
    x = 635,930.71

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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.