Home / 979,802.73-1,469,326.23-380,685.02

Finding the Fourth Proportional to 979,802.73, 1,469,326.23 and 380,685.02

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Solution

The fourth proportional to 979,802.73, 1,469,326.23 and 380,685.02 is: 570,880.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,802.73 : 1,469,326.23 = 380,685.02 : x
  2. Step 2: Convert to fraction form
    979,802.73/1,469,326.23 = 380,685.02/x
  3. Step 3: Cross multiply
    979,802.73x = 1,469,326.23 × 380,685.02
  4. Step 4: Simplify right side
    979,802.73x = 559,350,477,907.44
  5. Step 5: Solve for x
    x = 559,350,477,907.44/979,802.73
  6. Step 6: Final answer
    x = 570,880.71

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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.