Finding the Fourth Proportional to 683,610.24, 943,396.80 and 381,804.80
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Solution
The fourth proportional to 683,610.24, 943,396.80 and 381,804.80 is: 526,898.82
Step by Step Solution
- Step 1: Write the proportion equation
683,610.24 : 943,396.80 = 381,804.80 : x - Step 2: Convert to fraction form
683,610.24/943,396.80 = 381,804.80/x - Step 3: Cross multiply
683,610.24x = 943,396.80 × 381,804.80 - Step 4: Simplify right side
683,610.24x = 360,193,426,544.64 - Step 5: Solve for x
x = 360,193,426,544.64/683,610.24 - Step 6: Final answer
x = 526,898.82
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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.