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Finding the Fourth Proportional to 601,475.31, 902,149.43 and 317,051.87

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Solution

The fourth proportional to 601,475.31, 902,149.43 and 317,051.87 is: 475,544.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    601,475.31 : 902,149.43 = 317,051.87 : x
  2. Step 2: Convert to fraction form
    601,475.31/902,149.43 = 317,051.87/x
  3. Step 3: Cross multiply
    601,475.31x = 902,149.43 × 317,051.87
  4. Step 4: Simplify right side
    601,475.31x = 286,028,157,704.93
  5. Step 5: Solve for x
    x = 286,028,157,704.93/601,475.31
  6. Step 6: Final answer
    x = 475,544.30

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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.