Home / 894,660.19-1,342,114.89-287,466.77

Finding the Fourth Proportional to 894,660.19, 1,342,114.89 and 287,466.77

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Solution

The fourth proportional to 894,660.19, 1,342,114.89 and 287,466.77 is: 431,240.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    894,660.19 : 1,342,114.89 = 287,466.77 : x
  2. Step 2: Convert to fraction form
    894,660.19/1,342,114.89 = 287,466.77/x
  3. Step 3: Cross multiply
    894,660.19x = 1,342,114.89 × 287,466.77
  4. Step 4: Simplify right side
    894,660.19x = 385,813,432,397.21
  5. Step 5: Solve for x
    x = 385,813,432,397.21/894,660.19
  6. Step 6: Final answer
    x = 431,240.19

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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.