Finding the Fourth Proportional to 677,929.29, 935,539.82 and 372,010.79
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Solution
The fourth proportional to 677,929.29, 935,539.82 and 372,010.79 is: 513,373.46
Step by Step Solution
- Step 1: Write the proportion equation
677,929.29 : 935,539.82 = 372,010.79 : x - Step 2: Convert to fraction form
677,929.29/935,539.82 = 372,010.79/x - Step 3: Cross multiply
677,929.29x = 935,539.82 × 372,010.79 - Step 4: Simplify right side
677,929.29x = 348,030,902,836.96 - Step 5: Solve for x
x = 348,030,902,836.96/677,929.29 - Step 6: Final answer
x = 513,373.46
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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.