Finding the Fourth Proportional to 772,615.36, 1,159,256.04 and 417,879.10
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Solution
The fourth proportional to 772,615.36, 1,159,256.04 and 417,879.10 is: 626,998.75
Step by Step Solution
- Step 1: Write the proportion equation
772,615.36 : 1,159,256.04 = 417,879.10 : x - Step 2: Convert to fraction form
772,615.36/1,159,256.04 = 417,879.10/x - Step 3: Cross multiply
772,615.36x = 1,159,256.04 × 417,879.10 - Step 4: Simplify right side
772,615.36x = 484,428,862,779.09 - Step 5: Solve for x
x = 484,428,862,779.09/772,615.36 - Step 6: Final answer
x = 626,998.75
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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.