Finding the Fourth Proportional to 936,729.87, 1,292,718.56 and 574,083.66
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Solution
The fourth proportional to 936,729.87, 1,292,718.56 and 574,083.66 is: 792,254.66
Step by Step Solution
- Step 1: Write the proportion equation
936,729.87 : 1,292,718.56 = 574,083.66 : x - Step 2: Convert to fraction form
936,729.87/1,292,718.56 = 574,083.66/x - Step 3: Cross multiply
936,729.87x = 1,292,718.56 × 574,083.66 - Step 4: Simplify right side
936,729.87x = 742,128,603,709.94 - Step 5: Solve for x
x = 742,128,603,709.94/936,729.87 - Step 6: Final answer
x = 792,254.66
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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.