Finding the Fourth Proportional to 816,580.65, 1,225,119.96 and 417,501.66
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Solution
The fourth proportional to 816,580.65, 1,225,119.96 and 417,501.66 is: 626,379.79
Step by Step Solution
- Step 1: Write the proportion equation
816,580.65 : 1,225,119.96 = 417,501.66 : x - Step 2: Convert to fraction form
816,580.65/1,225,119.96 = 417,501.66/x - Step 3: Cross multiply
816,580.65x = 1,225,119.96 × 417,501.66 - Step 4: Simplify right side
816,580.65x = 511,489,616,999.13 - Step 5: Solve for x
x = 511,489,616,999.13/816,580.65 - Step 6: Final answer
x = 626,379.79
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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.