Home / 491,244.13-677,880.39-276,342.76

Finding the Fourth Proportional to 491,244.13, 677,880.39 and 276,342.76

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Solution

The fourth proportional to 491,244.13, 677,880.39 and 276,342.76 is: 381,332.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,244.13 : 677,880.39 = 276,342.76 : x
  2. Step 2: Convert to fraction form
    491,244.13/677,880.39 = 276,342.76/x
  3. Step 3: Cross multiply
    491,244.13x = 677,880.39 × 276,342.76
  4. Step 4: Simplify right side
    491,244.13x = 187,327,337,922.48
  5. Step 5: Solve for x
    x = 187,327,337,922.48/491,244.13
  6. Step 6: Final answer
    x = 381,332.47

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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.