Home / 822,030.80-1,233,046.20-231,054.80

Finding the Fourth Proportional to 822,030.80, 1,233,046.20 and 231,054.80

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Solution

The fourth proportional to 822,030.80, 1,233,046.20 and 231,054.80 is: 346,582.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    822,030.80 : 1,233,046.20 = 231,054.80 : x
  2. Step 2: Convert to fraction form
    822,030.80/1,233,046.20 = 231,054.80/x
  3. Step 3: Cross multiply
    822,030.80x = 1,233,046.20 × 231,054.80
  4. Step 4: Simplify right side
    822,030.80x = 284,901,243,131.76
  5. Step 5: Solve for x
    x = 284,901,243,131.76/822,030.80
  6. Step 6: Final answer
    x = 346,582.20

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Double scale
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Similar ratio
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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.