Finding the Fourth Proportional to 691,802.18, 1,037,647.88 and 307,669.98
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Solution
The fourth proportional to 691,802.18, 1,037,647.88 and 307,669.98 is: 461,480.34
Step by Step Solution
- Step 1: Write the proportion equation
691,802.18 : 1,037,647.88 = 307,669.98 : x - Step 2: Convert to fraction form
691,802.18/1,037,647.88 = 307,669.98/x - Step 3: Cross multiply
691,802.18x = 1,037,647.88 × 307,669.98 - Step 4: Simplify right side
691,802.18x = 319,253,102,486.64 - Step 5: Solve for x
x = 319,253,102,486.64/691,802.18 - Step 6: Final answer
x = 461,480.34
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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.