Home / 767,745.27-1,059,828.20-495,945.67

Finding the Fourth Proportional to 767,745.27, 1,059,828.20 and 495,945.67

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Solution

The fourth proportional to 767,745.27, 1,059,828.20 and 495,945.67 is: 684,624.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,745.27 : 1,059,828.20 = 495,945.67 : x
  2. Step 2: Convert to fraction form
    767,745.27/1,059,828.20 = 495,945.67/x
  3. Step 3: Cross multiply
    767,745.27x = 1,059,828.20 × 495,945.67
  4. Step 4: Simplify right side
    767,745.27x = 525,617,201,604.60
  5. Step 5: Solve for x
    x = 525,617,201,604.60/767,745.27
  6. Step 6: Final answer
    x = 684,624.47

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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.