Finding the Fourth Proportional to 616,548.60, 923,948.10 and 455,366.70
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Solution
The fourth proportional to 616,548.60, 923,948.10 and 455,366.70 is: 682,403.95
Step by Step Solution
- Step 1: Write the proportion equation
616,548.60 : 923,948.10 = 455,366.70 : x - Step 2: Convert to fraction form
616,548.60/923,948.10 = 455,366.70/x - Step 3: Cross multiply
616,548.60x = 923,948.10 × 455,366.70 - Step 4: Simplify right side
616,548.60x = 420,735,197,268.27 - Step 5: Solve for x
x = 420,735,197,268.27/616,548.60 - Step 6: Final answer
x = 682,403.95
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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.