Finding the Fourth Proportional to 605,160.80, 908,032.80 and 427,284.80
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Solution
The fourth proportional to 605,160.80, 908,032.80 and 427,284.80 is: 641,133.09
Step by Step Solution
- Step 1: Write the proportion equation
605,160.80 : 908,032.80 = 427,284.80 : x - Step 2: Convert to fraction form
605,160.80/908,032.80 = 427,284.80/x - Step 3: Cross multiply
605,160.80x = 908,032.80 × 427,284.80 - Step 4: Simplify right side
605,160.80x = 387,988,613,341.44 - Step 5: Solve for x
x = 387,988,613,341.44/605,160.80 - Step 6: Final answer
x = 641,133.09
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.