Finding the Fourth Proportional to 680,884.68, 1,021,327.02 and 207,565.94
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Solution
The fourth proportional to 680,884.68, 1,021,327.02 and 207,565.94 is: 311,348.90
Step by Step Solution
- Step 1: Write the proportion equation
680,884.68 : 1,021,327.02 = 207,565.94 : x - Step 2: Convert to fraction form
680,884.68/1,021,327.02 = 207,565.94/x - Step 3: Cross multiply
680,884.68x = 1,021,327.02 × 207,565.94 - Step 4: Simplify right side
680,884.68x = 211,992,696,809.23 - Step 5: Solve for x
x = 211,992,696,809.23/680,884.68 - Step 6: Final answer
x = 311,348.90
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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.