Finding the Fourth Proportional to 878,209.36, 1,211,897.88 and 496,227.94
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Solution
The fourth proportional to 878,209.36, 1,211,897.88 and 496,227.94 is: 684,777.02
Step by Step Solution
- Step 1: Write the proportion equation
878,209.36 : 1,211,897.88 = 496,227.94 : x - Step 2: Convert to fraction form
878,209.36/1,211,897.88 = 496,227.94/x - Step 3: Cross multiply
878,209.36x = 1,211,897.88 × 496,227.94 - Step 4: Simplify right side
878,209.36x = 601,377,588,482.77 - Step 5: Solve for x
x = 601,377,588,482.77/878,209.36 - Step 6: Final answer
x = 684,777.02
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.