Finding the Fourth Proportional to 745,676.84, 1,118,579.84 and 205,933.32
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Solution
The fourth proportional to 745,676.84, 1,118,579.84 and 205,933.32 is: 308,917.82
Step by Step Solution
- Step 1: Write the proportion equation
745,676.84 : 1,118,579.84 = 205,933.32 : x - Step 2: Convert to fraction form
745,676.84/1,118,579.84 = 205,933.32/x - Step 3: Cross multiply
745,676.84x = 1,118,579.84 × 205,933.32 - Step 4: Simplify right side
745,676.84x = 230,352,860,136.27 - Step 5: Solve for x
x = 230,352,860,136.27/745,676.84 - Step 6: Final answer
x = 308,917.82
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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.