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Finding the Fourth Proportional to 702,257.63, 969,108.63 and 379,960.66

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Solution

The fourth proportional to 702,257.63, 969,108.63 and 379,960.66 is: 524,341.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,257.63 : 969,108.63 = 379,960.66 : x
  2. Step 2: Convert to fraction form
    702,257.63/969,108.63 = 379,960.66/x
  3. Step 3: Cross multiply
    702,257.63x = 969,108.63 × 379,960.66
  4. Step 4: Simplify right side
    702,257.63x = 368,223,149,820.95
  5. Step 5: Solve for x
    x = 368,223,149,820.95/702,257.63
  6. Step 6: Final answer
    x = 524,341.97

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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.