Home / 492,650.02-679,917.45-277,785.73

Finding the Fourth Proportional to 492,650.02, 679,917.45 and 277,785.73

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Solution

The fourth proportional to 492,650.02, 679,917.45 and 277,785.73 is: 383,378.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,650.02 : 679,917.45 = 277,785.73 : x
  2. Step 2: Convert to fraction form
    492,650.02/679,917.45 = 277,785.73/x
  3. Step 3: Cross multiply
    492,650.02x = 679,917.45 × 277,785.73
  4. Step 4: Simplify right side
    492,650.02x = 188,871,365,187.99
  5. Step 5: Solve for x
    x = 188,871,365,187.99/492,650.02
  6. Step 6: Final answer
    x = 383,378.38

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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.