Home / 778,494.96-1,168,203.60-329,191.20

Finding the Fourth Proportional to 778,494.96, 1,168,203.60 and 329,191.20

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Solution

The fourth proportional to 778,494.96, 1,168,203.60 and 329,191.20 is: 493,981.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,494.96 : 1,168,203.60 = 329,191.20 : x
  2. Step 2: Convert to fraction form
    778,494.96/1,168,203.60 = 329,191.20/x
  3. Step 3: Cross multiply
    778,494.96x = 1,168,203.60 × 329,191.20
  4. Step 4: Simplify right side
    778,494.96x = 384,562,344,928.32
  5. Step 5: Solve for x
    x = 384,562,344,928.32/778,494.96
  6. Step 6: Final answer
    x = 493,981.80

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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.