Home / 727,380.60-1,004,054.58-624,996.60

Finding the Fourth Proportional to 727,380.60, 1,004,054.58 and 624,996.60

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Solution

The fourth proportional to 727,380.60, 1,004,054.58 and 624,996.60 is: 862,726.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,380.60 : 1,004,054.58 = 624,996.60 : x
  2. Step 2: Convert to fraction form
    727,380.60/1,004,054.58 = 624,996.60/x
  3. Step 3: Cross multiply
    727,380.60x = 1,004,054.58 × 624,996.60
  4. Step 4: Simplify right side
    727,380.60x = 627,530,698,714.43
  5. Step 5: Solve for x
    x = 627,530,698,714.43/727,380.60
  6. Step 6: Final answer
    x = 862,726.75

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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.