Home / 855,467.28-1,180,599.84-492,884.64

Finding the Fourth Proportional to 855,467.28, 1,180,599.84 and 492,884.64

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Solution

The fourth proportional to 855,467.28, 1,180,599.84 and 492,884.64 is: 680,212.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,467.28 : 1,180,599.84 = 492,884.64 : x
  2. Step 2: Convert to fraction form
    855,467.28/1,180,599.84 = 492,884.64/x
  3. Step 3: Cross multiply
    855,467.28x = 1,180,599.84 × 492,884.64
  4. Step 4: Simplify right side
    855,467.28x = 581,899,527,122.46
  5. Step 5: Solve for x
    x = 581,899,527,122.46/855,467.28
  6. Step 6: Final answer
    x = 680,212.49

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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.