Home / 768,184.39-1,151,625.94-318,624.67

Finding the Fourth Proportional to 768,184.39, 1,151,625.94 and 318,624.67

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Solution

The fourth proportional to 768,184.39, 1,151,625.94 and 318,624.67 is: 477,667.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,184.39 : 1,151,625.94 = 318,624.67 : x
  2. Step 2: Convert to fraction form
    768,184.39/1,151,625.94 = 318,624.67/x
  3. Step 3: Cross multiply
    768,184.39x = 1,151,625.94 × 318,624.67
  4. Step 4: Simplify right side
    768,184.39x = 366,936,435,738.91
  5. Step 5: Solve for x
    x = 366,936,435,738.91/768,184.39
  6. Step 6: Final answer
    x = 477,667.13

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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.