Home / 770,761.18-1,155,351.21-297,260.38

Finding the Fourth Proportional to 770,761.18, 1,155,351.21 and 297,260.38

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Solution

The fourth proportional to 770,761.18, 1,155,351.21 and 297,260.38 is: 445,585.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,761.18 : 1,155,351.21 = 297,260.38 : x
  2. Step 2: Convert to fraction form
    770,761.18/1,155,351.21 = 297,260.38/x
  3. Step 3: Cross multiply
    770,761.18x = 1,155,351.21 × 297,260.38
  4. Step 4: Simplify right side
    770,761.18x = 343,440,139,718.06
  5. Step 5: Solve for x
    x = 343,440,139,718.06/770,761.18
  6. Step 6: Final answer
    x = 445,585.67

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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.