Home / 838,227.43-1,257,528.62-305,748.46

Finding the Fourth Proportional to 838,227.43, 1,257,528.62 and 305,748.46

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Solution

The fourth proportional to 838,227.43, 1,257,528.62 and 305,748.46 is: 458,691.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,227.43 : 1,257,528.62 = 305,748.46 : x
  2. Step 2: Convert to fraction form
    838,227.43/1,257,528.62 = 305,748.46/x
  3. Step 3: Cross multiply
    838,227.43x = 1,257,528.62 × 305,748.46
  4. Step 4: Simplify right side
    838,227.43x = 384,487,438,970.93
  5. Step 5: Solve for x
    x = 384,487,438,970.93/838,227.43
  6. Step 6: Final answer
    x = 458,691.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.