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Finding the Fourth Proportional to 702,388.62, 969,296.27 and 380,098.71

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Solution

The fourth proportional to 702,388.62, 969,296.27 and 380,098.71 is: 524,536.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,388.62 : 969,296.27 = 380,098.71 : x
  2. Step 2: Convert to fraction form
    702,388.62/969,296.27 = 380,098.71/x
  3. Step 3: Cross multiply
    702,388.62x = 969,296.27 × 380,098.71
  4. Step 4: Simplify right side
    702,388.62x = 368,428,261,834.81
  5. Step 5: Solve for x
    x = 368,428,261,834.81/702,388.62
  6. Step 6: Final answer
    x = 524,536.21

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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.