Home / 753,163.58-1,039,383.41-430,903.66

Finding the Fourth Proportional to 753,163.58, 1,039,383.41 and 430,903.66

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Solution

The fourth proportional to 753,163.58, 1,039,383.41 and 430,903.66 is: 594,657.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,163.58 : 1,039,383.41 = 430,903.66 : x
  2. Step 2: Convert to fraction form
    753,163.58/1,039,383.41 = 430,903.66/x
  3. Step 3: Cross multiply
    753,163.58x = 1,039,383.41 × 430,903.66
  4. Step 4: Simplify right side
    753,163.58x = 447,874,115,512.28
  5. Step 5: Solve for x
    x = 447,874,115,512.28/753,163.58
  6. Step 6: Final answer
    x = 594,657.16

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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.