Finding the Fourth Proportional to 809,424.68, 1,117,010.28 and 446,841.92
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Solution
The fourth proportional to 809,424.68, 1,117,010.28 and 446,841.92 is: 616,644.18
Step by Step Solution
- Step 1: Write the proportion equation
809,424.68 : 1,117,010.28 = 446,841.92 : x - Step 2: Convert to fraction form
809,424.68/1,117,010.28 = 446,841.92/x - Step 3: Cross multiply
809,424.68x = 1,117,010.28 × 446,841.92 - Step 4: Simplify right side
809,424.68x = 499,127,018,174.94 - Step 5: Solve for x
x = 499,127,018,174.94/809,424.68 - Step 6: Final answer
x = 616,644.18
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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.