Home / 776,815.96-1,165,504.56-271,451.56

Finding the Fourth Proportional to 776,815.96, 1,165,504.56 and 271,451.56

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Solution

The fourth proportional to 776,815.96, 1,165,504.56 and 271,451.56 is: 407,275.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,815.96 : 1,165,504.56 = 271,451.56 : x
  2. Step 2: Convert to fraction form
    776,815.96/1,165,504.56 = 271,451.56/x
  3. Step 3: Cross multiply
    776,815.96x = 1,165,504.56 × 271,451.56
  4. Step 4: Simplify right side
    776,815.96x = 316,378,030,999.11
  5. Step 5: Solve for x
    x = 316,378,030,999.11/776,815.96
  6. Step 6: Final answer
    x = 407,275.40

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Double scale
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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.