Home / 787,903.44-1,182,224.25-388,326.39

Finding the Fourth Proportional to 787,903.44, 1,182,224.25 and 388,326.39

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Solution

The fourth proportional to 787,903.44, 1,182,224.25 and 388,326.39 is: 582,671.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,903.44 : 1,182,224.25 = 388,326.39 : x
  2. Step 2: Convert to fraction form
    787,903.44/1,182,224.25 = 388,326.39/x
  3. Step 3: Cross multiply
    787,903.44x = 1,182,224.25 × 388,326.39
  4. Step 4: Simplify right side
    787,903.44x = 459,088,875,172.96
  5. Step 5: Solve for x
    x = 459,088,875,172.96/787,903.44
  6. Step 6: Final answer
    x = 582,671.49

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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.