Home / 789,327.23-1,184,114.57-256,723.47

Finding the Fourth Proportional to 789,327.23, 1,184,114.57 and 256,723.47

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Solution

The fourth proportional to 789,327.23, 1,184,114.57 and 256,723.47 is: 385,125.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,327.23 : 1,184,114.57 = 256,723.47 : x
  2. Step 2: Convert to fraction form
    789,327.23/1,184,114.57 = 256,723.47/x
  3. Step 3: Cross multiply
    789,327.23x = 1,184,114.57 × 256,723.47
  4. Step 4: Simplify right side
    789,327.23x = 303,990,000,004.34
  5. Step 5: Solve for x
    x = 303,990,000,004.34/789,327.23
  6. Step 6: Final answer
    x = 385,125.45

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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.