Home / 671,619.60-1,007,427.24-228,387.60

Finding the Fourth Proportional to 671,619.60, 1,007,427.24 and 228,387.60

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Solution

The fourth proportional to 671,619.60, 1,007,427.24 and 228,387.60 is: 342,580.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,619.60 : 1,007,427.24 = 228,387.60 : x
  2. Step 2: Convert to fraction form
    671,619.60/1,007,427.24 = 228,387.60/x
  3. Step 3: Cross multiply
    671,619.60x = 1,007,427.24 × 228,387.60
  4. Step 4: Simplify right side
    671,619.60x = 230,083,889,518.22
  5. Step 5: Solve for x
    x = 230,083,889,518.22/671,619.60
  6. Step 6: Final answer
    x = 342,580.67

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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.