Home / 495,025.43-683,078.40-277,203.74

Finding the Fourth Proportional to 495,025.43, 683,078.40 and 277,203.74

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Solution

The fourth proportional to 495,025.43, 683,078.40 and 277,203.74 is: 382,509.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,025.43 : 683,078.40 = 277,203.74 : x
  2. Step 2: Convert to fraction form
    495,025.43/683,078.40 = 277,203.74/x
  3. Step 3: Cross multiply
    495,025.43x = 683,078.40 × 277,203.74
  4. Step 4: Simplify right side
    495,025.43x = 189,351,883,777.82
  5. Step 5: Solve for x
    x = 189,351,883,777.82/495,025.43
  6. Step 6: Final answer
    x = 382,509.41

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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.