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Finding the Fourth Proportional to 703,450.66, 970,762.78 and 381,160.68

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Solution

The fourth proportional to 703,450.66, 970,762.78 and 381,160.68 is: 526,002.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,450.66 : 970,762.78 = 381,160.68 : x
  2. Step 2: Convert to fraction form
    703,450.66/970,762.78 = 381,160.68/x
  3. Step 3: Cross multiply
    703,450.66x = 970,762.78 × 381,160.68
  4. Step 4: Simplify right side
    703,450.66x = 370,016,601,343.49
  5. Step 5: Solve for x
    x = 370,016,601,343.49/703,450.66
  6. Step 6: Final answer
    x = 526,002.21

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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.