Finding the Fourth Proportional to 692,523.92, 1,038,823.68 and 219,173.96
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Solution
The fourth proportional to 692,523.92, 1,038,823.68 and 219,173.96 is: 328,772.90
Step by Step Solution
- Step 1: Write the proportion equation
692,523.92 : 1,038,823.68 = 219,173.96 : x - Step 2: Convert to fraction form
692,523.92/1,038,823.68 = 219,173.96/x - Step 3: Cross multiply
692,523.92x = 1,038,823.68 × 219,173.96 - Step 4: Simplify right side
692,523.92x = 227,683,099,687.37 - Step 5: Solve for x
x = 227,683,099,687.37/692,523.92 - Step 6: Final answer
x = 328,772.90
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.