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Finding the Fourth Proportional to 703,350.75, 970,625 and 381,060.87

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Solution

The fourth proportional to 703,350.75, 970,625 and 381,060.87 is: 525,864.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,350.75 : 970,625 = 381,060.87 : x
  2. Step 2: Convert to fraction form
    703,350.75/970,625 = 381,060.87/x
  3. Step 3: Cross multiply
    703,350.75x = 970,625 × 381,060.87
  4. Step 4: Simplify right side
    703,350.75x = 369,867,206,943.75
  5. Step 5: Solve for x
    x = 369,867,206,943.75/703,350.75
  6. Step 6: Final answer
    x = 525,864.52

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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.