Finding the Fourth Proportional to 715,454.62, 986,916.24 and 446,716.06
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Solution
The fourth proportional to 715,454.62, 986,916.24 and 446,716.06 is: 616,211.46
Step by Step Solution
- Step 1: Write the proportion equation
715,454.62 : 986,916.24 = 446,716.06 : x - Step 2: Convert to fraction form
715,454.62/986,916.24 = 446,716.06/x - Step 3: Cross multiply
715,454.62x = 986,916.24 × 446,716.06 - Step 4: Simplify right side
715,454.62x = 440,871,334,282.81 - Step 5: Solve for x
x = 440,871,334,282.81/715,454.62 - Step 6: Final answer
x = 616,211.46
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.