Home / 779,447.64-1,169,039.70-218,353.08

Finding the Fourth Proportional to 779,447.64, 1,169,039.70 and 218,353.08

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Solution

The fourth proportional to 779,447.64, 1,169,039.70 and 218,353.08 is: 327,492.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,447.64 : 1,169,039.70 = 218,353.08 : x
  2. Step 2: Convert to fraction form
    779,447.64/1,169,039.70 = 218,353.08/x
  3. Step 3: Cross multiply
    779,447.64x = 1,169,039.70 × 218,353.08
  4. Step 4: Simplify right side
    779,447.64x = 255,263,419,137.28
  5. Step 5: Solve for x
    x = 255,263,419,137.28/779,447.64
  6. Step 6: Final answer
    x = 327,492.71

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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.