Finding the Fourth Proportional to 859,912.10, 1,186,693.83 and 472,743.84
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Solution
The fourth proportional to 859,912.10, 1,186,693.83 and 472,743.84 is: 652,394.82
Step by Step Solution
- Step 1: Write the proportion equation
859,912.10 : 1,186,693.83 = 472,743.84 : x - Step 2: Convert to fraction form
859,912.10/1,186,693.83 = 472,743.84/x - Step 3: Cross multiply
859,912.10x = 1,186,693.83 × 472,743.84 - Step 4: Simplify right side
859,912.10x = 561,002,195,734.79 - Step 5: Solve for x
x = 561,002,195,734.79/859,912.10 - Step 6: Final answer
x = 652,394.82
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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.