Finding the Fourth Proportional to 626,946.56, 865,203.42 and 368,841.68
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Solution
The fourth proportional to 626,946.56, 865,203.42 and 368,841.68 is: 509,011.62
Step by Step Solution
- Step 1: Write the proportion equation
626,946.56 : 865,203.42 = 368,841.68 : x - Step 2: Convert to fraction form
626,946.56/865,203.42 = 368,841.68/x - Step 3: Cross multiply
626,946.56x = 865,203.42 × 368,841.68 - Step 4: Simplify right side
626,946.56x = 319,123,082,974.55 - Step 5: Solve for x
x = 319,123,082,974.55/626,946.56 - Step 6: Final answer
x = 509,011.62
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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.