Finding the Fourth Proportional to 661,618.40, 913,238.97 and 525,893.18
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Solution
The fourth proportional to 661,618.40, 913,238.97 and 525,893.18 is: 725,895.99
Step by Step Solution
- Step 1: Write the proportion equation
661,618.40 : 913,238.97 = 525,893.18 : x - Step 2: Convert to fraction form
661,618.40/913,238.97 = 525,893.18/x - Step 3: Cross multiply
661,618.40x = 913,238.97 × 525,893.18 - Step 4: Simplify right side
661,618.40x = 480,266,146,033.23 - Step 5: Solve for x
x = 480,266,146,033.23/661,618.40 - Step 6: Final answer
x = 725,895.99
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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.