Finding the Fourth Proportional to 657,743.26, 907,685.68 and 355,937.26
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Solution
The fourth proportional to 657,743.26, 907,685.68 and 355,937.26 is: 491,193.41
Step by Step Solution
- Step 1: Write the proportion equation
657,743.26 : 907,685.68 = 355,937.26 : x - Step 2: Convert to fraction form
657,743.26/907,685.68 = 355,937.26/x - Step 3: Cross multiply
657,743.26x = 907,685.68 × 355,937.26 - Step 4: Simplify right side
657,743.26x = 323,079,153,880.44 - Step 5: Solve for x
x = 323,079,153,880.44/657,743.26 - Step 6: Final answer
x = 491,193.41
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.