Finding the Fourth Proportional to 698,174.77, 1,048,838.65 and 414,051.68
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Solution
The fourth proportional to 698,174.77, 1,048,838.65 and 414,051.68 is: 622,012.45
Step by Step Solution
- Step 1: Write the proportion equation
698,174.77 : 1,048,838.65 = 414,051.68 : x - Step 2: Convert to fraction form
698,174.77/1,048,838.65 = 414,051.68/x - Step 3: Cross multiply
698,174.77x = 1,048,838.65 × 414,051.68 - Step 4: Simplify right side
698,174.77x = 434,273,403,718.54 - Step 5: Solve for x
x = 434,273,403,718.54/698,174.77 - Step 6: Final answer
x = 622,012.45
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.