Home / 622,528.21-859,120.92-380,734.91

Finding the Fourth Proportional to 622,528.21, 859,120.92 and 380,734.91

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Solution

The fourth proportional to 622,528.21, 859,120.92 and 380,734.91 is: 525,433.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,528.21 : 859,120.92 = 380,734.91 : x
  2. Step 2: Convert to fraction form
    622,528.21/859,120.92 = 380,734.91/x
  3. Step 3: Cross multiply
    622,528.21x = 859,120.92 × 380,734.91
  4. Step 4: Simplify right side
    622,528.21x = 327,097,323,653.66
  5. Step 5: Solve for x
    x = 327,097,323,653.66/622,528.21
  6. Step 6: Final answer
    x = 525,433.74

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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.