Finding the Fourth Proportional to 739,773.36, 1,020,887.64 and 513,550.08
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Solution
The fourth proportional to 739,773.36, 1,020,887.64 and 513,550.08 is: 708,699.39
Step by Step Solution
- Step 1: Write the proportion equation
739,773.36 : 1,020,887.64 = 513,550.08 : x - Step 2: Convert to fraction form
739,773.36/1,020,887.64 = 513,550.08/x - Step 3: Cross multiply
739,773.36x = 1,020,887.64 × 513,550.08 - Step 4: Simplify right side
739,773.36x = 524,276,929,193.01 - Step 5: Solve for x
x = 524,276,929,193.01/739,773.36 - Step 6: Final answer
x = 708,699.39
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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.