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Finding the Fourth Proportional to 702,370.73, 969,274.16 and 380,080.79

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Solution

The fourth proportional to 702,370.73, 969,274.16 and 380,080.79 is: 524,512.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,370.73 : 969,274.16 = 380,080.79 : x
  2. Step 2: Convert to fraction form
    702,370.73/969,274.16 = 380,080.79/x
  3. Step 3: Cross multiply
    702,370.73x = 969,274.16 × 380,080.79
  4. Step 4: Simplify right side
    702,370.73x = 368,402,488,459.39
  5. Step 5: Solve for x
    x = 368,402,488,459.39/702,370.73
  6. Step 6: Final answer
    x = 524,512.87

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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.