Home / 789,864.55-1,184,049.50-486,445.30

Finding the Fourth Proportional to 789,864.55, 1,184,049.50 and 486,445.30

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Solution

The fourth proportional to 789,864.55, 1,184,049.50 and 486,445.30 is: 729,207.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,864.55 : 1,184,049.50 = 486,445.30 : x
  2. Step 2: Convert to fraction form
    789,864.55/1,184,049.50 = 486,445.30/x
  3. Step 3: Cross multiply
    789,864.55x = 1,184,049.50 × 486,445.30
  4. Step 4: Simplify right side
    789,864.55x = 575,975,308,850.00
  5. Step 5: Solve for x
    x = 575,975,308,850.00/789,864.55
  6. Step 6: Final answer
    x = 729,207.70

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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.