Home / 856,459.39-1,181,378.84-550,933.67

Finding the Fourth Proportional to 856,459.39, 1,181,378.84 and 550,933.67

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Solution

The fourth proportional to 856,459.39, 1,181,378.84 and 550,933.67 is: 759,944.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,459.39 : 1,181,378.84 = 550,933.67 : x
  2. Step 2: Convert to fraction form
    856,459.39/1,181,378.84 = 550,933.67/x
  3. Step 3: Cross multiply
    856,459.39x = 1,181,378.84 × 550,933.67
  4. Step 4: Simplify right side
    856,459.39x = 650,861,371,319.98
  5. Step 5: Solve for x
    x = 650,861,371,319.98/856,459.39
  6. Step 6: Final answer
    x = 759,944.23

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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.