Finding the Fourth Proportional to 721,902.35, 1,083,917.99 and 402,677.91
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Solution
The fourth proportional to 721,902.35, 1,083,917.99 and 402,677.91 is: 604,610.63
Step by Step Solution
- Step 1: Write the proportion equation
721,902.35 : 1,083,917.99 = 402,677.91 : x - Step 2: Convert to fraction form
721,902.35/1,083,917.99 = 402,677.91/x - Step 3: Cross multiply
721,902.35x = 1,083,917.99 × 402,677.91 - Step 4: Simplify right side
721,902.35x = 436,469,828,811.21 - Step 5: Solve for x
x = 436,469,828,811.21/721,902.35 - Step 6: Final answer
x = 604,610.63
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.