Finding the Fourth Proportional to 1,029,362.24, 1,543,969.20 and 319,372
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Solution
The fourth proportional to 1,029,362.24, 1,543,969.20 and 319,372 is: 479,034.99
Step by Step Solution
- Step 1: Write the proportion equation
1,029,362.24 : 1,543,969.20 = 319,372 : x - Step 2: Convert to fraction form
1,029,362.24/1,543,969.20 = 319,372/x - Step 3: Cross multiply
1,029,362.24x = 1,543,969.20 × 319,372 - Step 4: Simplify right side
1,029,362.24x = 493,100,531,342.40 - Step 5: Solve for x
x = 493,100,531,342.40/1,029,362.24 - Step 6: Final answer
x = 479,034.99
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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.