Finding the Fourth Proportional to 698,865.75, 1,047,550.86 and 361,566.63
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Solution
The fourth proportional to 698,865.75, 1,047,550.86 and 361,566.63 is: 541,963.08
Step by Step Solution
- Step 1: Write the proportion equation
698,865.75 : 1,047,550.86 = 361,566.63 : x - Step 2: Convert to fraction form
698,865.75/1,047,550.86 = 361,566.63/x - Step 3: Cross multiply
698,865.75x = 1,047,550.86 × 361,566.63 - Step 4: Simplify right side
698,865.75x = 378,759,434,203.80 - Step 5: Solve for x
x = 378,759,434,203.80/698,865.75 - Step 6: Final answer
x = 541,963.08
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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.