Home / 810,960.41-1,216,796.69-384,804.33

Finding the Fourth Proportional to 810,960.41, 1,216,796.69 and 384,804.33

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Solution

The fourth proportional to 810,960.41, 1,216,796.69 and 384,804.33 is: 577,375.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,960.41 : 1,216,796.69 = 384,804.33 : x
  2. Step 2: Convert to fraction form
    810,960.41/1,216,796.69 = 384,804.33/x
  3. Step 3: Cross multiply
    810,960.41x = 1,216,796.69 × 384,804.33
  4. Step 4: Simplify right side
    810,960.41x = 468,228,635,041.67
  5. Step 5: Solve for x
    x = 468,228,635,041.67/810,960.41
  6. Step 6: Final answer
    x = 577,375.45

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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.