Home / 428,229.44-590,981.43-234,637.55

Finding the Fourth Proportional to 428,229.44, 590,981.43 and 234,637.55

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Solution

The fourth proportional to 428,229.44, 590,981.43 and 234,637.55 is: 323,813.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,229.44 : 590,981.43 = 234,637.55 : x
  2. Step 2: Convert to fraction form
    428,229.44/590,981.43 = 234,637.55/x
  3. Step 3: Cross multiply
    428,229.44x = 590,981.43 × 234,637.55
  4. Step 4: Simplify right side
    428,229.44x = 138,666,434,830.70
  5. Step 5: Solve for x
    x = 138,666,434,830.70/428,229.44
  6. Step 6: Final answer
    x = 323,813.41

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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.