Home / 850,713.72-1,276,659.92-338,326.35

Finding the Fourth Proportional to 850,713.72, 1,276,659.92 and 338,326.35

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Solution

The fourth proportional to 850,713.72, 1,276,659.92 and 338,326.35 is: 507,723.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,713.72 : 1,276,659.92 = 338,326.35 : x
  2. Step 2: Convert to fraction form
    850,713.72/1,276,659.92 = 338,326.35/x
  3. Step 3: Cross multiply
    850,713.72x = 1,276,659.92 × 338,326.35
  4. Step 4: Simplify right side
    850,713.72x = 431,927,690,924.89
  5. Step 5: Solve for x
    x = 431,927,690,924.89/850,713.72
  6. Step 6: Final answer
    x = 507,723.90

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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.