Home / 829,075.80-1,244,342.70-491,694.60

Finding the Fourth Proportional to 829,075.80, 1,244,342.70 and 491,694.60

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Solution

The fourth proportional to 829,075.80, 1,244,342.70 and 491,694.60 is: 737,974.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,075.80 : 1,244,342.70 = 491,694.60 : x
  2. Step 2: Convert to fraction form
    829,075.80/1,244,342.70 = 491,694.60/x
  3. Step 3: Cross multiply
    829,075.80x = 1,244,342.70 × 491,694.60
  4. Step 4: Simplify right side
    829,075.80x = 611,836,586,139.42
  5. Step 5: Solve for x
    x = 611,836,586,139.42/829,075.80
  6. Step 6: Final answer
    x = 737,974.24

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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.