Home / 902,485.83-1,245,444.22-494,584.35

Finding the Fourth Proportional to 902,485.83, 1,245,444.22 and 494,584.35

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Solution

The fourth proportional to 902,485.83, 1,245,444.22 and 494,584.35 is: 682,533.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    902,485.83 : 1,245,444.22 = 494,584.35 : x
  2. Step 2: Convert to fraction form
    902,485.83/1,245,444.22 = 494,584.35/x
  3. Step 3: Cross multiply
    902,485.83x = 1,245,444.22 × 494,584.35
  4. Step 4: Simplify right side
    902,485.83x = 615,977,224,379.70
  5. Step 5: Solve for x
    x = 615,977,224,379.70/902,485.83
  6. Step 6: Final answer
    x = 682,533.96

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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.