Home / 877,099.08-1,315,759.34-308,346.50

Finding the Fourth Proportional to 877,099.08, 1,315,759.34 and 308,346.50

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Solution

The fourth proportional to 877,099.08, 1,315,759.34 and 308,346.50 is: 462,558.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,099.08 : 1,315,759.34 = 308,346.50 : x
  2. Step 2: Convert to fraction form
    877,099.08/1,315,759.34 = 308,346.50/x
  3. Step 3: Cross multiply
    877,099.08x = 1,315,759.34 × 308,346.50
  4. Step 4: Simplify right side
    877,099.08x = 405,709,783,990.43
  5. Step 5: Solve for x
    x = 405,709,783,990.43/877,099.08
  6. Step 6: Final answer
    x = 462,558.67

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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.