Home / 874,493.20-1,308,629.40-606,998.80

Finding the Fourth Proportional to 874,493.20, 1,308,629.40 and 606,998.80

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Solution

The fourth proportional to 874,493.20, 1,308,629.40 and 606,998.80 is: 908,339.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,493.20 : 1,308,629.40 = 606,998.80 : x
  2. Step 2: Convert to fraction form
    874,493.20/1,308,629.40 = 606,998.80/x
  3. Step 3: Cross multiply
    874,493.20x = 1,308,629.40 × 606,998.80
  4. Step 4: Simplify right side
    874,493.20x = 794,336,475,444.72
  5. Step 5: Solve for x
    x = 794,336,475,444.72/874,493.20
  6. Step 6: Final answer
    x = 908,339.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.