Home / 794,128.96-1,095,840.39-449,971.71

Finding the Fourth Proportional to 794,128.96, 1,095,840.39 and 449,971.71

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Solution

The fourth proportional to 794,128.96, 1,095,840.39 and 449,971.71 is: 620,928.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    794,128.96 : 1,095,840.39 = 449,971.71 : x
  2. Step 2: Convert to fraction form
    794,128.96/1,095,840.39 = 449,971.71/x
  3. Step 3: Cross multiply
    794,128.96x = 1,095,840.39 × 449,971.71
  4. Step 4: Simplify right side
    794,128.96x = 493,097,171,753.36
  5. Step 5: Solve for x
    x = 493,097,171,753.36/794,128.96
  6. Step 6: Final answer
    x = 620,928.33

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1.5x scale

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.