Finding the Fourth Proportional to 678,058.06, 935,763.87 and 376,252.06
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Solution
The fourth proportional to 678,058.06, 935,763.87 and 376,252.06 is: 519,252.12
Step by Step Solution
- Step 1: Write the proportion equation
678,058.06 : 935,763.87 = 376,252.06 : x - Step 2: Convert to fraction form
678,058.06/935,763.87 = 376,252.06/x - Step 3: Cross multiply
678,058.06x = 935,763.87 × 376,252.06 - Step 4: Simplify right side
678,058.06x = 352,083,083,761.07 - Step 5: Solve for x
x = 352,083,083,761.07/678,058.06 - Step 6: Final answer
x = 519,252.12
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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.