Finding the Fourth Proportional to 749,821.04, 1,034,751.92 and 405,655.84
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Solution
The fourth proportional to 749,821.04, 1,034,751.92 and 405,655.84 is: 559,804.46
Step by Step Solution
- Step 1: Write the proportion equation
749,821.04 : 1,034,751.92 = 405,655.84 : x - Step 2: Convert to fraction form
749,821.04/1,034,751.92 = 405,655.84/x - Step 3: Cross multiply
749,821.04x = 1,034,751.92 × 405,655.84 - Step 4: Simplify right side
749,821.04x = 419,753,159,299.21 - Step 5: Solve for x
x = 419,753,159,299.21/749,821.04 - Step 6: Final answer
x = 559,804.46
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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.