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Finding the Fourth Proportional to 703,027.38, 970,179.03 and 380,736.54

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Solution

The fourth proportional to 703,027.38, 970,179.03 and 380,736.54 is: 525,417.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,027.38 : 970,179.03 = 380,736.54 : x
  2. Step 2: Convert to fraction form
    703,027.38/970,179.03 = 380,736.54/x
  3. Step 3: Cross multiply
    703,027.38x = 970,179.03 × 380,736.54
  4. Step 4: Simplify right side
    703,027.38x = 369,382,607,062.76
  5. Step 5: Solve for x
    x = 369,382,607,062.76/703,027.38
  6. Step 6: Final answer
    x = 525,417.10

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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.