Home / 767,561.80-1,151,429.10-235,078.60

Finding the Fourth Proportional to 767,561.80, 1,151,429.10 and 235,078.60

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Solution

The fourth proportional to 767,561.80, 1,151,429.10 and 235,078.60 is: 352,644.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,561.80 : 1,151,429.10 = 235,078.60 : x
  2. Step 2: Convert to fraction form
    767,561.80/1,151,429.10 = 235,078.60/x
  3. Step 3: Cross multiply
    767,561.80x = 1,151,429.10 × 235,078.60
  4. Step 4: Simplify right side
    767,561.80x = 270,676,340,827.26
  5. Step 5: Solve for x
    x = 270,676,340,827.26/767,561.80
  6. Step 6: Final answer
    x = 352,644.36

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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.