Home / 798,072.66-1,196,408.07-325,155.78

Finding the Fourth Proportional to 798,072.66, 1,196,408.07 and 325,155.78

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Solution

The fourth proportional to 798,072.66, 1,196,408.07 and 325,155.78 is: 487,448.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    798,072.66 : 1,196,408.07 = 325,155.78 : x
  2. Step 2: Convert to fraction form
    798,072.66/1,196,408.07 = 325,155.78/x
  3. Step 3: Cross multiply
    798,072.66x = 1,196,408.07 × 325,155.78
  4. Step 4: Simplify right side
    798,072.66x = 389,018,999,199.15
  5. Step 5: Solve for x
    x = 389,018,999,199.15/798,072.66
  6. Step 6: Final answer
    x = 487,448.10

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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.