Finding the Fourth Proportional to 712,552.23, 983,078.24 and 406,408.68
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Solution
The fourth proportional to 712,552.23, 983,078.24 and 406,408.68 is: 560,704.90
Step by Step Solution
- Step 1: Write the proportion equation
712,552.23 : 983,078.24 = 406,408.68 : x - Step 2: Convert to fraction form
712,552.23/983,078.24 = 406,408.68/x - Step 3: Cross multiply
712,552.23x = 983,078.24 × 406,408.68 - Step 4: Simplify right side
712,552.23x = 399,531,527,823.08 - Step 5: Solve for x
x = 399,531,527,823.08/712,552.23 - Step 6: Final answer
x = 560,704.90
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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.