Finding the Fourth Proportional to 1,011,486.80, 1,517,976.74 and 479,006.84
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Solution
The fourth proportional to 1,011,486.80, 1,517,976.74 and 479,006.84 is: 718,863.80
Step by Step Solution
- Step 1: Write the proportion equation
1,011,486.80 : 1,517,976.74 = 479,006.84 : x - Step 2: Convert to fraction form
1,011,486.80/1,517,976.74 = 479,006.84/x - Step 3: Cross multiply
1,011,486.80x = 1,517,976.74 × 479,006.84 - Step 4: Simplify right side
1,011,486.80x = 727,121,241,420.90 - Step 5: Solve for x
x = 727,121,241,420.90/1,011,486.80 - Step 6: Final answer
x = 718,863.80
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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.