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Finding the Fourth Proportional to 703,591.70, 970,957.37 and 381,301.79

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Solution

The fourth proportional to 703,591.70, 970,957.37 and 381,301.79 is: 526,196.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,591.70 : 970,957.37 = 381,301.79 : x
  2. Step 2: Convert to fraction form
    703,591.70/970,957.37 = 381,301.79/x
  3. Step 3: Cross multiply
    703,591.70x = 970,957.37 × 381,301.79
  4. Step 4: Simplify right side
    703,591.70x = 370,227,779,293.16
  5. Step 5: Solve for x
    x = 370,227,779,293.16/703,591.70
  6. Step 6: Final answer
    x = 526,196.91

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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.