Finding the Fourth Proportional to 873,913.48, 1,206,580.62 and 547,716.76
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Solution
The fourth proportional to 873,913.48, 1,206,580.62 and 547,716.76 is: 756,212.65
Step by Step Solution
- Step 1: Write the proportion equation
873,913.48 : 1,206,580.62 = 547,716.76 : x - Step 2: Convert to fraction form
873,913.48/1,206,580.62 = 547,716.76/x - Step 3: Cross multiply
873,913.48x = 1,206,580.62 × 547,716.76 - Step 4: Simplify right side
873,913.48x = 660,864,427,865.19 - Step 5: Solve for x
x = 660,864,427,865.19/873,913.48 - Step 6: Final answer
x = 756,212.65
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.