Home / 767,854.80-1,151,782.20-368,427.60

Finding the Fourth Proportional to 767,854.80, 1,151,782.20 and 368,427.60

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Solution

The fourth proportional to 767,854.80, 1,151,782.20 and 368,427.60 is: 552,641.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,854.80 : 1,151,782.20 = 368,427.60 : x
  2. Step 2: Convert to fraction form
    767,854.80/1,151,782.20 = 368,427.60/x
  3. Step 3: Cross multiply
    767,854.80x = 1,151,782.20 × 368,427.60
  4. Step 4: Simplify right side
    767,854.80x = 424,348,351,668.72
  5. Step 5: Solve for x
    x = 424,348,351,668.72/767,854.80
  6. Step 6: Final answer
    x = 552,641.40

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Similar ratio
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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.