Finding the Fourth Proportional to 692,507.02, 1,038,708.66 and 243,231.84
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Solution
The fourth proportional to 692,507.02, 1,038,708.66 and 243,231.84 is: 364,829.54
Step by Step Solution
- Step 1: Write the proportion equation
692,507.02 : 1,038,708.66 = 243,231.84 : x - Step 2: Convert to fraction form
692,507.02/1,038,708.66 = 243,231.84/x - Step 3: Cross multiply
692,507.02x = 1,038,708.66 × 243,231.84 - Step 4: Simplify right side
692,507.02x = 252,647,016,586.49 - Step 5: Solve for x
x = 252,647,016,586.49/692,507.02 - Step 6: Final answer
x = 364,829.54
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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.