Home / 820,245.80-1,230,368.70-737,577.20

Finding the Fourth Proportional to 820,245.80, 1,230,368.70 and 737,577.20

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Solution

The fourth proportional to 820,245.80, 1,230,368.70 and 737,577.20 is: 1,106,365.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    820,245.80 : 1,230,368.70 = 737,577.20 : x
  2. Step 2: Convert to fraction form
    820,245.80/1,230,368.70 = 737,577.20/x
  3. Step 3: Cross multiply
    820,245.80x = 1,230,368.70 × 737,577.20
  4. Step 4: Simplify right side
    820,245.80x = 907,491,900,713.64
  5. Step 5: Solve for x
    x = 907,491,900,713.64/820,245.80
  6. Step 6: Final answer
    x = 1,106,365.80

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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.