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Finding the Fourth Proportional to 403,459.88, 603,504.29 and 283,508.39

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Solution

The fourth proportional to 403,459.88, 603,504.29 and 283,508.39 is: 424,078.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,459.88 : 603,504.29 = 283,508.39 : x
  2. Step 2: Convert to fraction form
    403,459.88/603,504.29 = 283,508.39/x
  3. Step 3: Cross multiply
    403,459.88x = 603,504.29 × 283,508.39
  4. Step 4: Simplify right side
    403,459.88x = 171,098,525,180.93
  5. Step 5: Solve for x
    x = 171,098,525,180.93/403,459.88
  6. Step 6: Final answer
    x = 424,078.17

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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.