Finding the Fourth Proportional to 743,827.68, 1,026,488.97 and 404,296.74
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Solution
The fourth proportional to 743,827.68, 1,026,488.97 and 404,296.74 is: 557,933.18
Step by Step Solution
- Step 1: Write the proportion equation
743,827.68 : 1,026,488.97 = 404,296.74 : x - Step 2: Convert to fraction form
743,827.68/1,026,488.97 = 404,296.74/x - Step 3: Cross multiply
743,827.68x = 1,026,488.97 × 404,296.74 - Step 4: Simplify right side
743,827.68x = 415,006,144,216.96 - Step 5: Solve for x
x = 415,006,144,216.96/743,827.68 - Step 6: Final answer
x = 557,933.18
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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.