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Finding the Fourth Proportional to 640,435.32, 960,651.78 and 601,463

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Solution

The fourth proportional to 640,435.32, 960,651.78 and 601,463 is: 902,193.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    640,435.32 : 960,651.78 = 601,463 : x
  2. Step 2: Convert to fraction form
    640,435.32/960,651.78 = 601,463/x
  3. Step 3: Cross multiply
    640,435.32x = 960,651.78 × 601,463
  4. Step 4: Simplify right side
    640,435.32x = 577,796,501,554.14
  5. Step 5: Solve for x
    x = 577,796,501,554.14/640,435.32
  6. Step 6: Final answer
    x = 902,193.37

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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.