Finding the Fourth Proportional to 634,356.08, 875,412.60 and 347,878.28
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Solution
The fourth proportional to 634,356.08, 875,412.60 and 347,878.28 is: 480,072.69
Step by Step Solution
- Step 1: Write the proportion equation
634,356.08 : 875,412.60 = 347,878.28 : x - Step 2: Convert to fraction form
634,356.08/875,412.60 = 347,878.28/x - Step 3: Cross multiply
634,356.08x = 875,412.60 × 347,878.28 - Step 4: Simplify right side
634,356.08x = 304,537,029,578.33 - Step 5: Solve for x
x = 304,537,029,578.33/634,356.08 - Step 6: Final answer
x = 480,072.69
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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.