Home / 772,126.56-1,157,869.08-298,539

Finding the Fourth Proportional to 772,126.56, 1,157,869.08 and 298,539

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Solution

The fourth proportional to 772,126.56, 1,157,869.08 and 298,539 is: 447,684.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,126.56 : 1,157,869.08 = 298,539 : x
  2. Step 2: Convert to fraction form
    772,126.56/1,157,869.08 = 298,539/x
  3. Step 3: Cross multiply
    772,126.56x = 1,157,869.08 × 298,539
  4. Step 4: Simplify right side
    772,126.56x = 345,669,077,274.12
  5. Step 5: Solve for x
    x = 345,669,077,274.12/772,126.56
  6. Step 6: Final answer
    x = 447,684.48

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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.