Home / 693,653.87-1,039,771.34-351,463.40

Finding the Fourth Proportional to 693,653.87, 1,039,771.34 and 351,463.40

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Solution

The fourth proportional to 693,653.87, 1,039,771.34 and 351,463.40 is: 526,835.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,653.87 : 1,039,771.34 = 351,463.40 : x
  2. Step 2: Convert to fraction form
    693,653.87/1,039,771.34 = 351,463.40/x
  3. Step 3: Cross multiply
    693,653.87x = 1,039,771.34 × 351,463.40
  4. Step 4: Simplify right side
    693,653.87x = 365,441,570,378.96
  5. Step 5: Solve for x
    x = 365,441,570,378.96/693,653.87
  6. Step 6: Final answer
    x = 526,835.63

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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.