Home / 770,057.93-1,062,253.33-447,732.41

Finding the Fourth Proportional to 770,057.93, 1,062,253.33 and 447,732.41

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Solution

The fourth proportional to 770,057.93, 1,062,253.33 and 447,732.41 is: 617,622.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,057.93 : 1,062,253.33 = 447,732.41 : x
  2. Step 2: Convert to fraction form
    770,057.93/1,062,253.33 = 447,732.41/x
  3. Step 3: Cross multiply
    770,057.93x = 1,062,253.33 × 447,732.41
  4. Step 4: Simplify right side
    770,057.93x = 475,605,237,040.83
  5. Step 5: Solve for x
    x = 475,605,237,040.83/770,057.93
  6. Step 6: Final answer
    x = 617,622.67

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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.