Finding the Fourth Proportional to 993,975.40, 1,370,736.42 and 668,024.68
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Solution
The fourth proportional to 993,975.40, 1,370,736.42 and 668,024.68 is: 921,235.84
Step by Step Solution
- Step 1: Write the proportion equation
993,975.40 : 1,370,736.42 = 668,024.68 : x - Step 2: Convert to fraction form
993,975.40/1,370,736.42 = 668,024.68/x - Step 3: Cross multiply
993,975.40x = 1,370,736.42 × 668,024.68 - Step 4: Simplify right side
993,975.40x = 915,685,758,334.85 - Step 5: Solve for x
x = 915,685,758,334.85/993,975.40 - Step 6: Final answer
x = 921,235.84
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.