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Finding the Fourth Proportional to 835,731, 1,254,094.62 and 303,293.64

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Solution

The fourth proportional to 835,731, 1,254,094.62 and 303,293.64 is: 455,121.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    835,731 : 1,254,094.62 = 303,293.64 : x
  2. Step 2: Convert to fraction form
    835,731/1,254,094.62 = 303,293.64/x
  3. Step 3: Cross multiply
    835,731x = 1,254,094.62 × 303,293.64
  4. Step 4: Simplify right side
    835,731x = 380,358,922,204.22
  5. Step 5: Solve for x
    x = 380,358,922,204.22/835,731
  6. Step 6: Final answer
    x = 455,121.23

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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.