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Finding the Fourth Proportional to 648,003.56, 894,245.46 and 361,523.70

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Solution

The fourth proportional to 648,003.56, 894,245.46 and 361,523.70 is: 498,903.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,003.56 : 894,245.46 = 361,523.70 : x
  2. Step 2: Convert to fraction form
    648,003.56/894,245.46 = 361,523.70/x
  3. Step 3: Cross multiply
    648,003.56x = 894,245.46 × 361,523.70
  4. Step 4: Simplify right side
    648,003.56x = 323,290,927,407.40
  5. Step 5: Solve for x
    x = 323,290,927,407.40/648,003.56
  6. Step 6: Final answer
    x = 498,903.02

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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.