Finding the Fourth Proportional to 917,134.08, 1,265,647.47 and 509,236.68
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Solution
The fourth proportional to 917,134.08, 1,265,647.47 and 509,236.68 is: 702,747.97
Step by Step Solution
- Step 1: Write the proportion equation
917,134.08 : 1,265,647.47 = 509,236.68 : x - Step 2: Convert to fraction form
917,134.08/1,265,647.47 = 509,236.68/x - Step 3: Cross multiply
917,134.08x = 1,265,647.47 × 509,236.68 - Step 4: Simplify right side
917,134.08x = 644,514,115,673.20 - Step 5: Solve for x
x = 644,514,115,673.20/917,134.08 - Step 6: Final answer
x = 702,747.97
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.