Finding the Fourth Proportional to 874,878.18, 1,312,192.68 and 275,761.47
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Solution
The fourth proportional to 874,878.18, 1,312,192.68 and 275,761.47 is: 413,602.93
Step by Step Solution
- Step 1: Write the proportion equation
874,878.18 : 1,312,192.68 = 275,761.47 : x - Step 2: Convert to fraction form
874,878.18/1,312,192.68 = 275,761.47/x - Step 3: Cross multiply
874,878.18x = 1,312,192.68 × 275,761.47 - Step 4: Simplify right side
874,878.18x = 361,852,182,360.04 - Step 5: Solve for x
x = 361,852,182,360.04/874,878.18 - Step 6: Final answer
x = 413,602.93
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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.