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Finding the Fourth Proportional to 782,893.80, 1,174,450.05 and 333,611.10

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Solution

The fourth proportional to 782,893.80, 1,174,450.05 and 333,611.10 is: 500,463.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,893.80 : 1,174,450.05 = 333,611.10 : x
  2. Step 2: Convert to fraction form
    782,893.80/1,174,450.05 = 333,611.10/x
  3. Step 3: Cross multiply
    782,893.80x = 1,174,450.05 × 333,611.10
  4. Step 4: Simplify right side
    782,893.80x = 391,809,573,075.56
  5. Step 5: Solve for x
    x = 391,809,573,075.56/782,893.80
  6. Step 6: Final answer
    x = 500,463.25

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1.5x scale

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.