Home / 826,628.23-1,140,798.03-550,512.64

Finding the Fourth Proportional to 826,628.23, 1,140,798.03 and 550,512.64

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Solution

The fourth proportional to 826,628.23, 1,140,798.03 and 550,512.64 is: 759,741.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,628.23 : 1,140,798.03 = 550,512.64 : x
  2. Step 2: Convert to fraction form
    826,628.23/1,140,798.03 = 550,512.64/x
  3. Step 3: Cross multiply
    826,628.23x = 1,140,798.03 × 550,512.64
  4. Step 4: Simplify right side
    826,628.23x = 628,023,735,202.10
  5. Step 5: Solve for x
    x = 628,023,735,202.10/826,628.23
  6. Step 6: Final answer
    x = 759,741.46

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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.