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Finding the Fourth Proportional to 492,457.52, 679,550.54 and 277,650.38

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Solution

The fourth proportional to 492,457.52, 679,550.54 and 277,650.38 is: 383,134.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,457.52 : 679,550.54 = 277,650.38 : x
  2. Step 2: Convert to fraction form
    492,457.52/679,550.54 = 277,650.38/x
  3. Step 3: Cross multiply
    492,457.52x = 679,550.54 × 277,650.38
  4. Step 4: Simplify right side
    492,457.52x = 188,677,465,660.21
  5. Step 5: Solve for x
    x = 188,677,465,660.21/492,457.52
  6. Step 6: Final answer
    x = 383,134.50

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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.