Home / 802,110.60-1,202,582.70-328,552.20

Finding the Fourth Proportional to 802,110.60, 1,202,582.70 and 328,552.20

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Solution

The fourth proportional to 802,110.60, 1,202,582.70 and 328,552.20 is: 492,589.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    802,110.60 : 1,202,582.70 = 328,552.20 : x
  2. Step 2: Convert to fraction form
    802,110.60/1,202,582.70 = 328,552.20/x
  3. Step 3: Cross multiply
    802,110.60x = 1,202,582.70 × 328,552.20
  4. Step 4: Simplify right side
    802,110.60x = 395,111,191,766.94
  5. Step 5: Solve for x
    x = 395,111,191,766.94/802,110.60
  6. Step 6: Final answer
    x = 492,589.42

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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.