Finding the Fourth Proportional to 876,078.97, 1,209,536.27 and 671,737.13
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Solution
The fourth proportional to 876,078.97, 1,209,536.27 and 671,737.13 is: 927,416.88
Step by Step Solution
- Step 1: Write the proportion equation
876,078.97 : 1,209,536.27 = 671,737.13 : x - Step 2: Convert to fraction form
876,078.97/1,209,536.27 = 671,737.13/x - Step 3: Cross multiply
876,078.97x = 1,209,536.27 × 671,737.13 - Step 4: Simplify right side
876,078.97x = 812,490,422,640.71 - Step 5: Solve for x
x = 812,490,422,640.71/876,078.97 - Step 6: Final answer
x = 927,416.88
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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.