Home / 821,769.45-1,232,654.18-222,730.61

Finding the Fourth Proportional to 821,769.45, 1,232,654.18 and 222,730.61

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Solution

The fourth proportional to 821,769.45, 1,232,654.18 and 222,730.61 is: 334,095.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,769.45 : 1,232,654.18 = 222,730.61 : x
  2. Step 2: Convert to fraction form
    821,769.45/1,232,654.18 = 222,730.61/x
  3. Step 3: Cross multiply
    821,769.45x = 1,232,654.18 × 222,730.61
  4. Step 4: Simplify right side
    821,769.45x = 274,549,810,153.53
  5. Step 5: Solve for x
    x = 274,549,810,153.53/821,769.45
  6. Step 6: Final answer
    x = 334,095.91

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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.