Finding the Fourth Proportional to 920,394.44, 1,270,536.20 and 618,763.40
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Solution
The fourth proportional to 920,394.44, 1,270,536.20 and 618,763.40 is: 854,156.94
Step by Step Solution
- Step 1: Write the proportion equation
920,394.44 : 1,270,536.20 = 618,763.40 : x - Step 2: Convert to fraction form
920,394.44/1,270,536.20 = 618,763.40/x - Step 3: Cross multiply
920,394.44x = 1,270,536.20 × 618,763.40 - Step 4: Simplify right side
920,394.44x = 786,161,298,935.08 - Step 5: Solve for x
x = 786,161,298,935.08/920,394.44 - Step 6: Final answer
x = 854,156.94
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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.