Finding the Fourth Proportional to 816,978.99, 1,225,477.40 and 248,452.55
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Solution
The fourth proportional to 816,978.99, 1,225,477.40 and 248,452.55 is: 372,681.53
Step by Step Solution
- Step 1: Write the proportion equation
816,978.99 : 1,225,477.40 = 248,452.55 : x - Step 2: Convert to fraction form
816,978.99/1,225,477.40 = 248,452.55/x - Step 3: Cross multiply
816,978.99x = 1,225,477.40 × 248,452.55 - Step 4: Simplify right side
816,978.99x = 304,472,983,620.81 - Step 5: Solve for x
x = 304,472,983,620.81/816,978.99 - Step 6: Final answer
x = 372,681.53
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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.