Finding the Fourth Proportional to 718,971.99, 1,078,458.35 and 245,661.99
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Solution
The fourth proportional to 718,971.99, 1,078,458.35 and 245,661.99 is: 368,493.11
Step by Step Solution
- Step 1: Write the proportion equation
718,971.99 : 1,078,458.35 = 245,661.99 : x - Step 2: Convert to fraction form
718,971.99/1,078,458.35 = 245,661.99/x - Step 3: Cross multiply
718,971.99x = 1,078,458.35 × 245,661.99 - Step 4: Simplify right side
718,971.99x = 264,936,223,164.81 - Step 5: Solve for x
x = 264,936,223,164.81/718,971.99 - Step 6: Final answer
x = 368,493.11
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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.