Finding the Fourth Proportional to 922,715.28, 1,385,347.79 and 637,703.62
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Solution
The fourth proportional to 922,715.28, 1,385,347.79 and 637,703.62 is: 957,436.51
Step by Step Solution
- Step 1: Write the proportion equation
922,715.28 : 1,385,347.79 = 637,703.62 : x - Step 2: Convert to fraction form
922,715.28/1,385,347.79 = 637,703.62/x - Step 3: Cross multiply
922,715.28x = 1,385,347.79 × 637,703.62 - Step 4: Simplify right side
922,715.28x = 883,441,298,772.89 - Step 5: Solve for x
x = 883,441,298,772.89/922,715.28 - Step 6: Final answer
x = 957,436.51
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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.