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Finding the Fourth Proportional to 531,483.33, 733,451.28 and 289,767.66

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Solution

The fourth proportional to 531,483.33, 733,451.28 and 289,767.66 is: 399,881.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,483.33 : 733,451.28 = 289,767.66 : x
  2. Step 2: Convert to fraction form
    531,483.33/733,451.28 = 289,767.66/x
  3. Step 3: Cross multiply
    531,483.33x = 733,451.28 × 289,767.66
  4. Step 4: Simplify right side
    531,483.33x = 212,530,461,129.61
  5. Step 5: Solve for x
    x = 212,530,461,129.61/531,483.33
  6. Step 6: Final answer
    x = 399,881.71

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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.