Home / 862,921.98-1,294,569.83-330,443.04

Finding the Fourth Proportional to 862,921.98, 1,294,569.83 and 330,443.04

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Solution

The fourth proportional to 862,921.98, 1,294,569.83 and 330,443.04 is: 495,736.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,921.98 : 1,294,569.83 = 330,443.04 : x
  2. Step 2: Convert to fraction form
    862,921.98/1,294,569.83 = 330,443.04/x
  3. Step 3: Cross multiply
    862,921.98x = 1,294,569.83 × 330,443.04
  4. Step 4: Simplify right side
    862,921.98x = 427,781,590,117.48
  5. Step 5: Solve for x
    x = 427,781,590,117.48/862,921.98
  6. Step 6: Final answer
    x = 495,736.12

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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.