Finding the Fourth Proportional to 738,855.07, 1,106,678.72 and 453,679.99
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Solution
The fourth proportional to 738,855.07, 1,106,678.72 and 453,679.99 is: 679,535.15
Step by Step Solution
- Step 1: Write the proportion equation
738,855.07 : 1,106,678.72 = 453,679.99 : x - Step 2: Convert to fraction form
738,855.07/1,106,678.72 = 453,679.99/x - Step 3: Cross multiply
738,855.07x = 1,106,678.72 × 453,679.99 - Step 4: Simplify right side
738,855.07x = 502,077,988,990.32 - Step 5: Solve for x
x = 502,077,988,990.32/738,855.07 - Step 6: Final answer
x = 679,535.15
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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.