Home / 491,292.02-677,996.24-276,439.72

Finding the Fourth Proportional to 491,292.02, 677,996.24 and 276,439.72

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Solution

The fourth proportional to 491,292.02, 677,996.24 and 276,439.72 is: 381,494.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,292.02 : 677,996.24 = 276,439.72 : x
  2. Step 2: Convert to fraction form
    491,292.02/677,996.24 = 276,439.72/x
  3. Step 3: Cross multiply
    491,292.02x = 677,996.24 × 276,439.72
  4. Step 4: Simplify right side
    491,292.02x = 187,425,090,746.65
  5. Step 5: Solve for x
    x = 187,425,090,746.65/491,292.02
  6. Step 6: Final answer
    x = 381,494.27

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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.