Finding the Fourth Proportional to 812,374.29, 1,218,030.08 and 767,765.97
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Solution
The fourth proportional to 812,374.29, 1,218,030.08 and 767,765.97 is: 1,151,146.77
Step by Step Solution
- Step 1: Write the proportion equation
812,374.29 : 1,218,030.08 = 767,765.97 : x - Step 2: Convert to fraction form
812,374.29/1,218,030.08 = 767,765.97/x - Step 3: Cross multiply
812,374.29x = 1,218,030.08 × 767,765.97 - Step 4: Simplify right side
812,374.29x = 935,162,042,021.55 - Step 5: Solve for x
x = 935,162,042,021.55/812,374.29 - Step 6: Final answer
x = 1,151,146.77
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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.