Finding the Fourth Proportional to 716,444.75, 988,283.18 and 447,706.19
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Solution
The fourth proportional to 716,444.75, 988,283.18 and 447,706.19 is: 617,577.97
Step by Step Solution
- Step 1: Write the proportion equation
716,444.75 : 988,283.18 = 447,706.19 : x - Step 2: Convert to fraction form
716,444.75/988,283.18 = 447,706.19/x - Step 3: Cross multiply
716,444.75x = 988,283.18 × 447,706.19 - Step 4: Simplify right side
716,444.75x = 442,460,493,568.91 - Step 5: Solve for x
x = 442,460,493,568.91/716,444.75 - Step 6: Final answer
x = 617,577.97
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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.