Finding the Fourth Proportional to 715,447.32, 1,072,371.66 and 310,171.68
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Solution
The fourth proportional to 715,447.32, 1,072,371.66 and 310,171.68 is: 464,910.99
Step by Step Solution
- Step 1: Write the proportion equation
715,447.32 : 1,072,371.66 = 310,171.68 : x - Step 2: Convert to fraction form
715,447.32/1,072,371.66 = 310,171.68/x - Step 3: Cross multiply
715,447.32x = 1,072,371.66 × 310,171.68 - Step 4: Simplify right side
715,447.32x = 332,619,319,366.59 - Step 5: Solve for x
x = 332,619,319,366.59/715,447.32 - Step 6: Final answer
x = 464,910.99
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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.