Finding the Fourth Proportional to 868,424.86, 1,302,762.84 and 328,534.75
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Solution
The fourth proportional to 868,424.86, 1,302,762.84 and 328,534.75 is: 492,849.62
Step by Step Solution
- Step 1: Write the proportion equation
868,424.86 : 1,302,762.84 = 328,534.75 : x - Step 2: Convert to fraction form
868,424.86/1,302,762.84 = 328,534.75/x - Step 3: Cross multiply
868,424.86x = 1,302,762.84 × 328,534.75 - Step 4: Simplify right side
868,424.86x = 428,002,863,948.69 - Step 5: Solve for x
x = 428,002,863,948.69/868,424.86 - Step 6: Final answer
x = 492,849.62
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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.