Home / 428,087.07-590,754.20-246,799.35

Finding the Fourth Proportional to 428,087.07, 590,754.20 and 246,799.35

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Solution

The fourth proportional to 428,087.07, 590,754.20 and 246,799.35 is: 340,579.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,087.07 : 590,754.20 = 246,799.35 : x
  2. Step 2: Convert to fraction form
    428,087.07/590,754.20 = 246,799.35/x
  3. Step 3: Cross multiply
    428,087.07x = 590,754.20 × 246,799.35
  4. Step 4: Simplify right side
    428,087.07x = 145,797,751,335.77
  5. Step 5: Solve for x
    x = 145,797,751,335.77/428,087.07
  6. Step 6: Final answer
    x = 340,579.67

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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.