Home / 826,353.90-1,236,873.24-426,449.88

Finding the Fourth Proportional to 826,353.90, 1,236,873.24 and 426,449.88

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Solution

The fourth proportional to 826,353.90, 1,236,873.24 and 426,449.88 is: 638,303.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,353.90 : 1,236,873.24 = 426,449.88 : x
  2. Step 2: Convert to fraction form
    826,353.90/1,236,873.24 = 426,449.88/x
  3. Step 3: Cross multiply
    826,353.90x = 1,236,873.24 × 426,449.88
  4. Step 4: Simplify right side
    826,353.90x = 527,464,444,773.21
  5. Step 5: Solve for x
    x = 527,464,444,773.21/826,353.90
  6. Step 6: Final answer
    x = 638,303.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.