Home / 820,931.80-1,228,773.30-584,735.80

Finding the Fourth Proportional to 820,931.80, 1,228,773.30 and 584,735.80

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Solution

The fourth proportional to 820,931.80, 1,228,773.30 and 584,735.80 is: 875,234.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    820,931.80 : 1,228,773.30 = 584,735.80 : x
  2. Step 2: Convert to fraction form
    820,931.80/1,228,773.30 = 584,735.80/x
  3. Step 3: Cross multiply
    820,931.80x = 1,228,773.30 × 584,735.80
  4. Step 4: Simplify right side
    820,931.80x = 718,507,738,594.14
  5. Step 5: Solve for x
    x = 718,507,738,594.14/820,931.80
  6. Step 6: Final answer
    x = 875,234.38

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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.