Home / 831,295.80-1,247,074.38-270,199.08

Finding the Fourth Proportional to 831,295.80, 1,247,074.38 and 270,199.08

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Solution

The fourth proportional to 831,295.80, 1,247,074.38 and 270,199.08 is: 405,341.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,295.80 : 1,247,074.38 = 270,199.08 : x
  2. Step 2: Convert to fraction form
    831,295.80/1,247,074.38 = 270,199.08/x
  3. Step 3: Cross multiply
    831,295.80x = 1,247,074.38 × 270,199.08
  4. Step 4: Simplify right side
    831,295.80x = 336,958,350,167.57
  5. Step 5: Solve for x
    x = 336,958,350,167.57/831,295.80
  6. Step 6: Final answer
    x = 405,341.10

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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.