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Finding the Fourth Proportional to 648,410.16, 894,955.32 and 380,224.56

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Solution

The fourth proportional to 648,410.16, 894,955.32 and 380,224.56 is: 524,797.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,410.16 : 894,955.32 = 380,224.56 : x
  2. Step 2: Convert to fraction form
    648,410.16/894,955.32 = 380,224.56/x
  3. Step 3: Cross multiply
    648,410.16x = 894,955.32 × 380,224.56
  4. Step 4: Simplify right side
    648,410.16x = 340,283,992,766.66
  5. Step 5: Solve for x
    x = 340,283,992,766.66/648,410.16
  6. Step 6: Final answer
    x = 524,797.44

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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.