Home / 902,881.28-1,245,990.12-495,022.16

Finding the Fourth Proportional to 902,881.28, 1,245,990.12 and 495,022.16

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Solution

The fourth proportional to 902,881.28, 1,245,990.12 and 495,022.16 is: 683,138.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    902,881.28 : 1,245,990.12 = 495,022.16 : x
  2. Step 2: Convert to fraction form
    902,881.28/1,245,990.12 = 495,022.16/x
  3. Step 3: Cross multiply
    902,881.28x = 1,245,990.12 × 495,022.16
  4. Step 4: Simplify right side
    902,881.28x = 616,792,720,541.06
  5. Step 5: Solve for x
    x = 616,792,720,541.06/902,881.28
  6. Step 6: Final answer
    x = 683,138.23

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1.5x scale

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.