Home / 703,510.43-970,845.33-381,220.29

Finding the Fourth Proportional to 703,510.43, 970,845.33 and 381,220.29

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Solution

The fourth proportional to 703,510.43, 970,845.33 and 381,220.29 is: 526,084.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,510.43 : 970,845.33 = 381,220.29 : x
  2. Step 2: Convert to fraction form
    703,510.43/970,845.33 = 381,220.29/x
  3. Step 3: Cross multiply
    703,510.43x = 970,845.33 × 381,220.29
  4. Step 4: Simplify right side
    703,510.43x = 370,105,939,677.32
  5. Step 5: Solve for x
    x = 370,105,939,677.32/703,510.43
  6. Step 6: Final answer
    x = 526,084.51

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Double scale
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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.