Home / 789,326.64-1,184,114.04-256,723.11

Finding the Fourth Proportional to 789,326.64, 1,184,114.04 and 256,723.11

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Solution

The fourth proportional to 789,326.64, 1,184,114.04 and 256,723.11 is: 385,125.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,326.64 : 1,184,114.04 = 256,723.11 : x
  2. Step 2: Convert to fraction form
    789,326.64/1,184,114.04 = 256,723.11/x
  3. Step 3: Cross multiply
    789,326.64x = 1,184,114.04 × 256,723.11
  4. Step 4: Simplify right side
    789,326.64x = 303,989,437,980.75
  5. Step 5: Solve for x
    x = 303,989,437,980.75/789,326.64
  6. Step 6: Final answer
    x = 385,125.02

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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.