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Finding the Fourth Proportional to 628,270.60, 942,405.90 and 617,902.60

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Solution

The fourth proportional to 628,270.60, 942,405.90 and 617,902.60 is: 926,853.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,270.60 : 942,405.90 = 617,902.60 : x
  2. Step 2: Convert to fraction form
    628,270.60/942,405.90 = 617,902.60/x
  3. Step 3: Cross multiply
    628,270.60x = 942,405.90 × 617,902.60
  4. Step 4: Simplify right side
    628,270.60x = 582,315,055,865.34
  5. Step 5: Solve for x
    x = 582,315,055,865.34/628,270.60
  6. Step 6: Final answer
    x = 926,853.90

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1.5x scale

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.