Finding the Fourth Proportional to 999,768.18, 1,378,244.62 and 712,790.22
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Solution
The fourth proportional to 999,768.18, 1,378,244.62 and 712,790.22 is: 982,627.08
Step by Step Solution
- Step 1: Write the proportion equation
999,768.18 : 1,378,244.62 = 712,790.22 : x - Step 2: Convert to fraction form
999,768.18/1,378,244.62 = 712,790.22/x - Step 3: Cross multiply
999,768.18x = 1,378,244.62 × 712,790.22 - Step 4: Simplify right side
999,768.18x = 982,399,285,903.62 - Step 5: Solve for x
x = 982,399,285,903.62/999,768.18 - Step 6: Final answer
x = 982,627.08
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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.