Finding the Fourth Proportional to 916,457.36, 1,372,846.48 and 467,160.08
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Solution
The fourth proportional to 916,457.36, 1,372,846.48 and 467,160.08 is: 699,802.41
Step by Step Solution
- Step 1: Write the proportion equation
916,457.36 : 1,372,846.48 = 467,160.08 : x - Step 2: Convert to fraction form
916,457.36/1,372,846.48 = 467,160.08/x - Step 3: Cross multiply
916,457.36x = 1,372,846.48 × 467,160.08 - Step 4: Simplify right side
916,457.36x = 641,339,071,424.52 - Step 5: Solve for x
x = 641,339,071,424.52/916,457.36 - Step 6: Final answer
x = 699,802.41
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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.