Home / 902,626.42-1,245,639.18-494,767.40

Finding the Fourth Proportional to 902,626.42, 1,245,639.18 and 494,767.40

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Solution

The fourth proportional to 902,626.42, 1,245,639.18 and 494,767.40 is: 682,787.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    902,626.42 : 1,245,639.18 = 494,767.40 : x
  2. Step 2: Convert to fraction form
    902,626.42/1,245,639.18 = 494,767.40/x
  3. Step 3: Cross multiply
    902,626.42x = 1,245,639.18 × 494,767.40
  4. Step 4: Simplify right side
    902,626.42x = 616,301,658,426.73
  5. Step 5: Solve for x
    x = 616,301,658,426.73/902,626.42
  6. Step 6: Final answer
    x = 682,787.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.