Home / 789,178.18-1,184,609.67-340,120.66

Finding the Fourth Proportional to 789,178.18, 1,184,609.67 and 340,120.66

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Solution

The fourth proportional to 789,178.18, 1,184,609.67 and 340,120.66 is: 510,544.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,178.18 : 1,184,609.67 = 340,120.66 : x
  2. Step 2: Convert to fraction form
    789,178.18/1,184,609.67 = 340,120.66/x
  3. Step 3: Cross multiply
    789,178.18x = 1,184,609.67 × 340,120.66
  4. Step 4: Simplify right side
    789,178.18x = 402,910,222,802.78
  5. Step 5: Solve for x
    x = 402,910,222,802.78/789,178.18
  6. Step 6: Final answer
    x = 510,544.05

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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.