Home / 432,928.26-646,222.07-381,796.56

Finding the Fourth Proportional to 432,928.26, 646,222.07 and 381,796.56

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Solution

The fourth proportional to 432,928.26, 646,222.07 and 381,796.56 is: 569,898.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,928.26 : 646,222.07 = 381,796.56 : x
  2. Step 2: Convert to fraction form
    432,928.26/646,222.07 = 381,796.56/x
  3. Step 3: Cross multiply
    432,928.26x = 646,222.07 × 381,796.56
  4. Step 4: Simplify right side
    432,928.26x = 246,725,364,276.57
  5. Step 5: Solve for x
    x = 246,725,364,276.57/432,928.26
  6. Step 6: Final answer
    x = 569,898.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.