Home / 531,511.04-733,490.98-289,791.66

Finding the Fourth Proportional to 531,511.04, 733,490.98 and 289,791.66

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Solution

The fourth proportional to 531,511.04, 733,490.98 and 289,791.66 is: 399,915.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,511.04 : 733,490.98 = 289,791.66 : x
  2. Step 2: Convert to fraction form
    531,511.04/733,490.98 = 289,791.66/x
  3. Step 3: Cross multiply
    531,511.04x = 733,490.98 × 289,791.66
  4. Step 4: Simplify right side
    531,511.04x = 212,559,568,689.23
  5. Step 5: Solve for x
    x = 212,559,568,689.23/531,511.04
  6. Step 6: Final answer
    x = 399,915.62

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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.