Finding the Fourth Proportional to 917,708.24, 1,266,453.96 and 515,314.64
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Solution
The fourth proportional to 917,708.24, 1,266,453.96 and 515,314.64 is: 711,143.52
Step by Step Solution
- Step 1: Write the proportion equation
917,708.24 : 1,266,453.96 = 515,314.64 : x - Step 2: Convert to fraction form
917,708.24/1,266,453.96 = 515,314.64/x - Step 3: Cross multiply
917,708.24x = 1,266,453.96 × 515,314.64 - Step 4: Simplify right side
917,708.24x = 652,622,266,473.97 - Step 5: Solve for x
x = 652,622,266,473.97/917,708.24 - Step 6: Final answer
x = 711,143.52
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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.