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Finding the Fourth Proportional to 601,493.04, 901,617.48 and 285,709.68

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Solution

The fourth proportional to 601,493.04, 901,617.48 and 285,709.68 is: 428,269.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    601,493.04 : 901,617.48 = 285,709.68 : x
  2. Step 2: Convert to fraction form
    601,493.04/901,617.48 = 285,709.68/x
  3. Step 3: Cross multiply
    601,493.04x = 901,617.48 × 285,709.68
  4. Step 4: Simplify right side
    601,493.04x = 257,600,841,693.21
  5. Step 5: Solve for x
    x = 257,600,841,693.21/601,493.04
  6. Step 6: Final answer
    x = 428,269.03

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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.