Home / 694,580.40-1,042,939.80-379,652.40

Finding the Fourth Proportional to 694,580.40, 1,042,939.80 and 379,652.40

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Solution

The fourth proportional to 694,580.40, 1,042,939.80 and 379,652.40 is: 570,063.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,580.40 : 1,042,939.80 = 379,652.40 : x
  2. Step 2: Convert to fraction form
    694,580.40/1,042,939.80 = 379,652.40/x
  3. Step 3: Cross multiply
    694,580.40x = 1,042,939.80 × 379,652.40
  4. Step 4: Simplify right side
    694,580.40x = 395,954,598,125.52
  5. Step 5: Solve for x
    x = 395,954,598,125.52/694,580.40
  6. Step 6: Final answer
    x = 570,063.02

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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.