Home / 495,477-743,252.58-140,519.61

Finding the Fourth Proportional to 495,477, 743,252.58 and 140,519.61

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Solution

The fourth proportional to 495,477, 743,252.58 and 140,519.61 is: 210,789.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,477 : 743,252.58 = 140,519.61 : x
  2. Step 2: Convert to fraction form
    495,477/743,252.58 = 140,519.61/x
  3. Step 3: Cross multiply
    495,477x = 743,252.58 × 140,519.61
  4. Step 4: Simplify right side
    495,477x = 104,441,562,673.09
  5. Step 5: Solve for x
    x = 104,441,562,673.09/495,477
  6. Step 6: Final answer
    x = 210,789.93

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1.5x scale

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.