Home / 778,966.20-1,168,449.30-401,052.60

Finding the Fourth Proportional to 778,966.20, 1,168,449.30 and 401,052.60

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Solution

The fourth proportional to 778,966.20, 1,168,449.30 and 401,052.60 is: 601,578.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,966.20 : 1,168,449.30 = 401,052.60 : x
  2. Step 2: Convert to fraction form
    778,966.20/1,168,449.30 = 401,052.60/x
  3. Step 3: Cross multiply
    778,966.20x = 1,168,449.30 × 401,052.60
  4. Step 4: Simplify right side
    778,966.20x = 468,609,629,733.18
  5. Step 5: Solve for x
    x = 468,609,629,733.18/778,966.20
  6. Step 6: Final answer
    x = 601,578.90

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Double scale
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Similar ratio
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1.5x scale

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.