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Finding the Fourth Proportional to 496,729, 685,486.02 and 270,376.12

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Solution

The fourth proportional to 496,729, 685,486.02 and 270,376.12 is: 373,119.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,729 : 685,486.02 = 270,376.12 : x
  2. Step 2: Convert to fraction form
    496,729/685,486.02 = 270,376.12/x
  3. Step 3: Cross multiply
    496,729x = 685,486.02 × 270,376.12
  4. Step 4: Simplify right side
    496,729x = 185,339,050,401.84
  5. Step 5: Solve for x
    x = 185,339,050,401.84/496,729
  6. Step 6: Final answer
    x = 373,119.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.