Home / 778,862.80-1,168,294.20-305,563.60

Finding the Fourth Proportional to 778,862.80, 1,168,294.20 and 305,563.60

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Solution

The fourth proportional to 778,862.80, 1,168,294.20 and 305,563.60 is: 458,345.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,862.80 : 1,168,294.20 = 305,563.60 : x
  2. Step 2: Convert to fraction form
    778,862.80/1,168,294.20 = 305,563.60/x
  3. Step 3: Cross multiply
    778,862.80x = 1,168,294.20 × 305,563.60
  4. Step 4: Simplify right side
    778,862.80x = 356,988,181,611.12
  5. Step 5: Solve for x
    x = 356,988,181,611.12/778,862.80
  6. Step 6: Final answer
    x = 458,345.40

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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.