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Finding the Fourth Proportional to 702,456.54, 969,390.09 and 380,168.97

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Solution

The fourth proportional to 702,456.54, 969,390.09 and 380,168.97 is: 524,633.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,456.54 : 969,390.09 = 380,168.97 : x
  2. Step 2: Convert to fraction form
    702,456.54/969,390.09 = 380,168.97/x
  3. Step 3: Cross multiply
    702,456.54x = 969,390.09 × 380,168.97
  4. Step 4: Simplify right side
    702,456.54x = 368,532,032,043.51
  5. Step 5: Solve for x
    x = 368,532,032,043.51/702,456.54
  6. Step 6: Final answer
    x = 524,633.21

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1.5x scale

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.