Finding the Fourth Proportional to 925,930.25, 1,278,220.62 and 696,575.08
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Solution
The fourth proportional to 925,930.25, 1,278,220.62 and 696,575.08 is: 961,602.28
Step by Step Solution
- Step 1: Write the proportion equation
925,930.25 : 1,278,220.62 = 696,575.08 : x - Step 2: Convert to fraction form
925,930.25/1,278,220.62 = 696,575.08/x - Step 3: Cross multiply
925,930.25x = 1,278,220.62 × 696,575.08 - Step 4: Simplify right side
925,930.25x = 890,376,634,844.08 - Step 5: Solve for x
x = 890,376,634,844.08/925,930.25 - Step 6: Final answer
x = 961,602.28
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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.