Finding the Fourth Proportional to 683,531.86, 1,024,716.18 and 417,479.02
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Solution
The fourth proportional to 683,531.86, 1,024,716.18 and 417,479.02 is: 625,863.30
Step by Step Solution
- Step 1: Write the proportion equation
683,531.86 : 1,024,716.18 = 417,479.02 : x - Step 2: Convert to fraction form
683,531.86/1,024,716.18 = 417,479.02/x - Step 3: Cross multiply
683,531.86x = 1,024,716.18 × 417,479.02 - Step 4: Simplify right side
683,531.86x = 427,797,506,604.54 - Step 5: Solve for x
x = 427,797,506,604.54/683,531.86 - Step 6: Final answer
x = 625,863.30
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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.