Home / 820,365.83-1,230,585.20-251,705.33

Finding the Fourth Proportional to 820,365.83, 1,230,585.20 and 251,705.33

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Solution

The fourth proportional to 820,365.83, 1,230,585.20 and 251,705.33 is: 377,569.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    820,365.83 : 1,230,585.20 = 251,705.33 : x
  2. Step 2: Convert to fraction form
    820,365.83/1,230,585.20 = 251,705.33/x
  3. Step 3: Cross multiply
    820,365.83x = 1,230,585.20 × 251,705.33
  4. Step 4: Simplify right side
    820,365.83x = 309,744,852,600.59
  5. Step 5: Solve for x
    x = 309,744,852,600.59/820,365.83
  6. Step 6: Final answer
    x = 377,569.18

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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.