Home / 558,249.83-770,558.21-443,731.67

Finding the Fourth Proportional to 558,249.83, 770,558.21 and 443,731.67

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Solution

The fourth proportional to 558,249.83, 770,558.21 and 443,731.67 is: 612,487.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,249.83 : 770,558.21 = 443,731.67 : x
  2. Step 2: Convert to fraction form
    558,249.83/770,558.21 = 443,731.67/x
  3. Step 3: Cross multiply
    558,249.83x = 770,558.21 × 443,731.67
  4. Step 4: Simplify right side
    558,249.83x = 341,921,075,284.06
  5. Step 5: Solve for x
    x = 341,921,075,284.06/558,249.83
  6. Step 6: Final answer
    x = 612,487.56

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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.