Home / 806,316.22-1,209,685.23-300,881.62

Finding the Fourth Proportional to 806,316.22, 1,209,685.23 and 300,881.62

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Solution

The fourth proportional to 806,316.22, 1,209,685.23 and 300,881.62 is: 451,401.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,316.22 : 1,209,685.23 = 300,881.62 : x
  2. Step 2: Convert to fraction form
    806,316.22/1,209,685.23 = 300,881.62/x
  3. Step 3: Cross multiply
    806,316.22x = 1,209,685.23 × 300,881.62
  4. Step 4: Simplify right side
    806,316.22x = 363,972,046,396.25
  5. Step 5: Solve for x
    x = 363,972,046,396.25/806,316.22
  6. Step 6: Final answer
    x = 451,401.12

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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.