Home / 762,886.32-1,052,747.64-423,351.60

Finding the Fourth Proportional to 762,886.32, 1,052,747.64 and 423,351.60

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Solution

The fourth proportional to 762,886.32, 1,052,747.64 and 423,351.60 is: 584,205.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,886.32 : 1,052,747.64 = 423,351.60 : x
  2. Step 2: Convert to fraction form
    762,886.32/1,052,747.64 = 423,351.60/x
  3. Step 3: Cross multiply
    762,886.32x = 1,052,747.64 × 423,351.60
  4. Step 4: Simplify right side
    762,886.32x = 445,682,397,790.22
  5. Step 5: Solve for x
    x = 445,682,397,790.22/762,886.32
  6. Step 6: Final answer
    x = 584,205.52

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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.