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Finding the Fourth Proportional to 609,310.80, 914,123.88 and 356,804.64

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Solution

The fourth proportional to 609,310.80, 914,123.88 and 356,804.64 is: 535,299.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,310.80 : 914,123.88 = 356,804.64 : x
  2. Step 2: Convert to fraction form
    609,310.80/914,123.88 = 356,804.64/x
  3. Step 3: Cross multiply
    609,310.80x = 914,123.88 × 356,804.64
  4. Step 4: Simplify right side
    609,310.80x = 326,163,641,918.80
  5. Step 5: Solve for x
    x = 326,163,641,918.80/609,310.80
  6. Step 6: Final answer
    x = 535,299.30

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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.