Home / 703,286.13-970,533.66-381,004.35

Finding the Fourth Proportional to 703,286.13, 970,533.66 and 381,004.35

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Solution

The fourth proportional to 703,286.13, 970,533.66 and 381,004.35 is: 525,785.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,286.13 : 970,533.66 = 381,004.35 : x
  2. Step 2: Convert to fraction form
    703,286.13/970,533.66 = 381,004.35/x
  3. Step 3: Cross multiply
    703,286.13x = 970,533.66 × 381,004.35
  4. Step 4: Simplify right side
    703,286.13x = 369,777,546,281.42
  5. Step 5: Solve for x
    x = 369,777,546,281.42/703,286.13
  6. Step 6: Final answer
    x = 525,785.35

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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.