Home / 905,989.93-1,250,274.51-498,094.64

Finding the Fourth Proportional to 905,989.93, 1,250,274.51 and 498,094.64

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Solution

The fourth proportional to 905,989.93, 1,250,274.51 and 498,094.64 is: 687,375.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,989.93 : 1,250,274.51 = 498,094.64 : x
  2. Step 2: Convert to fraction form
    905,989.93/1,250,274.51 = 498,094.64/x
  3. Step 3: Cross multiply
    905,989.93x = 1,250,274.51 × 498,094.64
  4. Step 4: Simplify right side
    905,989.93x = 622,755,031,959.63
  5. Step 5: Solve for x
    x = 622,755,031,959.63/905,989.93
  6. Step 6: Final answer
    x = 687,375.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.