Home / 702,121.28-968,923.40-379,830.32

Finding the Fourth Proportional to 702,121.28, 968,923.40 and 379,830.32

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Solution

The fourth proportional to 702,121.28, 968,923.40 and 379,830.32 is: 524,163.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,121.28 : 968,923.40 = 379,830.32 : x
  2. Step 2: Convert to fraction form
    702,121.28/968,923.40 = 379,830.32/x
  3. Step 3: Cross multiply
    702,121.28x = 968,923.40 × 379,830.32
  4. Step 4: Simplify right side
    702,121.28x = 368,026,485,077.49
  5. Step 5: Solve for x
    x = 368,026,485,077.49/702,121.28
  6. Step 6: Final answer
    x = 524,163.70

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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.