Home / 894,741.31-1,342,111.97-326,165.05

Finding the Fourth Proportional to 894,741.31, 1,342,111.97 and 326,165.05

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Solution

The fourth proportional to 894,741.31, 1,342,111.97 and 326,165.05 is: 489,247.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    894,741.31 : 1,342,111.97 = 326,165.05 : x
  2. Step 2: Convert to fraction form
    894,741.31/1,342,111.97 = 326,165.05/x
  3. Step 3: Cross multiply
    894,741.31x = 1,342,111.97 × 326,165.05
  4. Step 4: Simplify right side
    894,741.31x = 437,750,012,814.54
  5. Step 5: Solve for x
    x = 437,750,012,814.54/894,741.31
  6. Step 6: Final answer
    x = 489,247.57

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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.