Home / 872,824.41-1,204,478.81-505,317.05

Finding the Fourth Proportional to 872,824.41, 1,204,478.81 and 505,317.05

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Solution

The fourth proportional to 872,824.41, 1,204,478.81 and 505,317.05 is: 697,326.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,824.41 : 1,204,478.81 = 505,317.05 : x
  2. Step 2: Convert to fraction form
    872,824.41/1,204,478.81 = 505,317.05/x
  3. Step 3: Cross multiply
    872,824.41x = 1,204,478.81 × 505,317.05
  4. Step 4: Simplify right side
    872,824.41x = 608,643,670,507.73
  5. Step 5: Solve for x
    x = 608,643,670,507.73/872,824.41
  6. Step 6: Final answer
    x = 697,326.59

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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.