Finding the Fourth Proportional to 821,904.48, 1,134,205.68 and 459,329.92
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Solution
The fourth proportional to 821,904.48, 1,134,205.68 and 459,329.92 is: 633,862.71
Step by Step Solution
- Step 1: Write the proportion equation
821,904.48 : 1,134,205.68 = 459,329.92 : x - Step 2: Convert to fraction form
821,904.48/1,134,205.68 = 459,329.92/x - Step 3: Cross multiply
821,904.48x = 1,134,205.68 × 459,329.92 - Step 4: Simplify right side
821,904.48x = 520,974,604,257.95 - Step 5: Solve for x
x = 520,974,604,257.95/821,904.48 - Step 6: Final answer
x = 633,862.71
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.