Finding the Fourth Proportional to 816,124.41, 1,125,929.16 and 471,897.09
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Solution
The fourth proportional to 816,124.41, 1,125,929.16 and 471,897.09 is: 651,031.49
Step by Step Solution
- Step 1: Write the proportion equation
816,124.41 : 1,125,929.16 = 471,897.09 : x - Step 2: Convert to fraction form
816,124.41/1,125,929.16 = 471,897.09/x - Step 3: Cross multiply
816,124.41x = 1,125,929.16 × 471,897.09 - Step 4: Simplify right side
816,124.41x = 531,322,694,150.14 - Step 5: Solve for x
x = 531,322,694,150.14/816,124.41 - Step 6: Final answer
x = 651,031.49
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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.