Finding the Fourth Proportional to 723,609.09, 1,085,465.49 and 191,124.81
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Solution
The fourth proportional to 723,609.09, 1,085,465.49 and 191,124.81 is: 286,700.91
Step by Step Solution
- Step 1: Write the proportion equation
723,609.09 : 1,085,465.49 = 191,124.81 : x - Step 2: Convert to fraction form
723,609.09/1,085,465.49 = 191,124.81/x - Step 3: Cross multiply
723,609.09x = 1,085,465.49 × 191,124.81 - Step 4: Simplify right side
723,609.09x = 207,459,385,537.81 - Step 5: Solve for x
x = 207,459,385,537.81/723,609.09 - Step 6: Final answer
x = 286,700.91
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.