Home / 702,928.56-970,046.03-380,638.68

Finding the Fourth Proportional to 702,928.56, 970,046.03 and 380,638.68

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Solution

The fourth proportional to 702,928.56, 970,046.03 and 380,638.68 is: 525,283.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,928.56 : 970,046.03 = 380,638.68 : x
  2. Step 2: Convert to fraction form
    702,928.56/970,046.03 = 380,638.68/x
  3. Step 3: Cross multiply
    702,928.56x = 970,046.03 × 380,638.68
  4. Step 4: Simplify right side
    702,928.56x = 369,237,035,571.27
  5. Step 5: Solve for x
    x = 369,237,035,571.27/702,928.56
  6. Step 6: Final answer
    x = 525,283.87

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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.