Home / 822,815.70-1,234,223.55-656,927.70

Finding the Fourth Proportional to 822,815.70, 1,234,223.55 and 656,927.70

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Solution

The fourth proportional to 822,815.70, 1,234,223.55 and 656,927.70 is: 985,391.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    822,815.70 : 1,234,223.55 = 656,927.70 : x
  2. Step 2: Convert to fraction form
    822,815.70/1,234,223.55 = 656,927.70/x
  3. Step 3: Cross multiply
    822,815.70x = 1,234,223.55 × 656,927.70
  4. Step 4: Simplify right side
    822,815.70x = 810,795,637,987.34
  5. Step 5: Solve for x
    x = 810,795,637,987.34/822,815.70
  6. Step 6: Final answer
    x = 985,391.55

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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.