Home / 691,054.45-1,036,634.16-235,504.12

Finding the Fourth Proportional to 691,054.45, 1,036,634.16 and 235,504.12

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Solution

The fourth proportional to 691,054.45, 1,036,634.16 and 235,504.12 is: 353,274.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,054.45 : 1,036,634.16 = 235,504.12 : x
  2. Step 2: Convert to fraction form
    691,054.45/1,036,634.16 = 235,504.12/x
  3. Step 3: Cross multiply
    691,054.45x = 1,036,634.16 × 235,504.12
  4. Step 4: Simplify right side
    691,054.45x = 244,131,615,612.74
  5. Step 5: Solve for x
    x = 244,131,615,612.74/691,054.45
  6. Step 6: Final answer
    x = 353,274.07

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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.