Home / 809,088.51-1,213,830.35-269,343.74

Finding the Fourth Proportional to 809,088.51, 1,213,830.35 and 269,343.74

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Solution

The fourth proportional to 809,088.51, 1,213,830.35 and 269,343.74 is: 404,081.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,088.51 : 1,213,830.35 = 269,343.74 : x
  2. Step 2: Convert to fraction form
    809,088.51/1,213,830.35 = 269,343.74/x
  3. Step 3: Cross multiply
    809,088.51x = 1,213,830.35 × 269,343.74
  4. Step 4: Simplify right side
    809,088.51x = 326,937,606,194.51
  5. Step 5: Solve for x
    x = 326,937,606,194.51/809,088.51
  6. Step 6: Final answer
    x = 404,081.39

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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.