Finding the Fourth Proportional to 838,339.97, 1,253,647.14 and 622,606.08
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Solution
The fourth proportional to 838,339.97, 1,253,647.14 and 622,606.08 is: 931,040.35
Step by Step Solution
- Step 1: Write the proportion equation
838,339.97 : 1,253,647.14 = 622,606.08 : x - Step 2: Convert to fraction form
838,339.97/1,253,647.14 = 622,606.08/x - Step 3: Cross multiply
838,339.97x = 1,253,647.14 × 622,606.08 - Step 4: Simplify right side
838,339.97x = 780,528,331,538.61 - Step 5: Solve for x
x = 780,528,331,538.61/838,339.97 - Step 6: Final answer
x = 931,040.35
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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.