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Finding the Fourth Proportional to 603,284.06, 832,224.06 and 385,263.56

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Solution

The fourth proportional to 603,284.06, 832,224.06 and 385,263.56 is: 531,467.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,284.06 : 832,224.06 = 385,263.56 : x
  2. Step 2: Convert to fraction form
    603,284.06/832,224.06 = 385,263.56/x
  3. Step 3: Cross multiply
    603,284.06x = 832,224.06 × 385,263.56
  4. Step 4: Simplify right side
    603,284.06x = 320,625,604,073.25
  5. Step 5: Solve for x
    x = 320,625,604,073.25/603,284.06
  6. Step 6: Final answer
    x = 531,467.06

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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.