Home / 495,788.64-683,936.52-323,807.28

Finding the Fourth Proportional to 495,788.64, 683,936.52 and 323,807.28

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Solution

The fourth proportional to 495,788.64, 683,936.52 and 323,807.28 is: 446,689.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,788.64 : 683,936.52 = 323,807.28 : x
  2. Step 2: Convert to fraction form
    495,788.64/683,936.52 = 323,807.28/x
  3. Step 3: Cross multiply
    495,788.64x = 683,936.52 × 323,807.28
  4. Step 4: Simplify right side
    495,788.64x = 221,463,624,233.87
  5. Step 5: Solve for x
    x = 221,463,624,233.87/495,788.64
  6. Step 6: Final answer
    x = 446,689.59

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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.