Finding the Fourth Proportional to 723,611.09, 1,085,468.49 and 191,126.81
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Solution
The fourth proportional to 723,611.09, 1,085,468.49 and 191,126.81 is: 286,703.91
Step by Step Solution
- Step 1: Write the proportion equation
723,611.09 : 1,085,468.49 = 191,126.81 : x - Step 2: Convert to fraction form
723,611.09/1,085,468.49 = 191,126.81/x - Step 3: Cross multiply
723,611.09x = 1,085,468.49 × 191,126.81 - Step 4: Simplify right side
723,611.09x = 207,462,129,849.22 - Step 5: Solve for x
x = 207,462,129,849.22/723,611.09 - Step 6: Final answer
x = 286,703.91
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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.