Home / 957,055.19-1,436,245.79-380,619.39

Finding the Fourth Proportional to 957,055.19, 1,436,245.79 and 380,619.39

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Solution

The fourth proportional to 957,055.19, 1,436,245.79 and 380,619.39 is: 571,192.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    957,055.19 : 1,436,245.79 = 380,619.39 : x
  2. Step 2: Convert to fraction form
    957,055.19/1,436,245.79 = 380,619.39/x
  3. Step 3: Cross multiply
    957,055.19x = 1,436,245.79 × 380,619.39
  4. Step 4: Simplify right side
    957,055.19x = 546,662,999,962.69
  5. Step 5: Solve for x
    x = 546,662,999,962.69/957,055.19
  6. Step 6: Final answer
    x = 571,192.77

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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.