Home / 850,802.60-1,275,769.80-281,981.18

Finding the Fourth Proportional to 850,802.60, 1,275,769.80 and 281,981.18

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Solution

The fourth proportional to 850,802.60, 1,275,769.80 and 281,981.18 is: 422,827.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,802.60 : 1,275,769.80 = 281,981.18 : x
  2. Step 2: Convert to fraction form
    850,802.60/1,275,769.80 = 281,981.18/x
  3. Step 3: Cross multiply
    850,802.60x = 1,275,769.80 × 281,981.18
  4. Step 4: Simplify right side
    850,802.60x = 359,743,067,233.52
  5. Step 5: Solve for x
    x = 359,743,067,233.52/850,802.60
  6. Step 6: Final answer
    x = 422,827.89

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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.