Finding the Fourth Proportional to 868,315.97, 1,302,918.75 and 413,422.00
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Solution
The fourth proportional to 868,315.97, 1,302,918.75 and 413,422.00 is: 620,344.77
Step by Step Solution
- Step 1: Write the proportion equation
868,315.97 : 1,302,918.75 = 413,422.00 : x - Step 2: Convert to fraction form
868,315.97/1,302,918.75 = 413,422.00/x - Step 3: Cross multiply
868,315.97x = 1,302,918.75 × 413,422.00 - Step 4: Simplify right side
868,315.97x = 538,655,272,205.20 - Step 5: Solve for x
x = 538,655,272,205.20/868,315.97 - Step 6: Final answer
x = 620,344.77
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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.