Home / 809,081.34-1,213,753.23-303,681.84

Finding the Fourth Proportional to 809,081.34, 1,213,753.23 and 303,681.84

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Solution

The fourth proportional to 809,081.34, 1,213,753.23 and 303,681.84 is: 455,572.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,081.34 : 1,213,753.23 = 303,681.84 : x
  2. Step 2: Convert to fraction form
    809,081.34/1,213,753.23 = 303,681.84/x
  3. Step 3: Cross multiply
    809,081.34x = 1,213,753.23 × 303,681.84
  4. Step 4: Simplify right side
    809,081.34x = 368,594,814,192.34
  5. Step 5: Solve for x
    x = 368,594,814,192.34/809,081.34
  6. Step 6: Final answer
    x = 455,572.01

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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.