Home / 491,038.94-677,627.05-276,178.92

Finding the Fourth Proportional to 491,038.94, 677,627.05 and 276,178.92

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Solution

The fourth proportional to 491,038.94, 677,627.05 and 276,178.92 is: 381,123.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,038.94 : 677,627.05 = 276,178.92 : x
  2. Step 2: Convert to fraction form
    491,038.94/677,627.05 = 276,178.92/x
  3. Step 3: Cross multiply
    491,038.94x = 677,627.05 × 276,178.92
  4. Step 4: Simplify right side
    491,038.94x = 187,146,306,831.79
  5. Step 5: Solve for x
    x = 187,146,306,831.79/491,038.94
  6. Step 6: Final answer
    x = 381,123.15

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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.