Finding the Fourth Proportional to 974,963.12, 1,462,146.70 and 343,729.31
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Solution
The fourth proportional to 974,963.12, 1,462,146.70 and 343,729.31 is: 515,488.91
Step by Step Solution
- Step 1: Write the proportion equation
974,963.12 : 1,462,146.70 = 343,729.31 : x - Step 2: Convert to fraction form
974,963.12/1,462,146.70 = 343,729.31/x - Step 3: Cross multiply
974,963.12x = 1,462,146.70 × 343,729.31 - Step 4: Simplify right side
974,963.12x = 502,582,676,309.78 - Step 5: Solve for x
x = 502,582,676,309.78/974,963.12 - Step 6: Final answer
x = 515,488.91
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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.