Finding the Fourth Proportional to 731,043.36, 1,008,963.36 and 425,296.80
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Solution
The fourth proportional to 731,043.36, 1,008,963.36 and 425,296.80 is: 586,981.45
Step by Step Solution
- Step 1: Write the proportion equation
731,043.36 : 1,008,963.36 = 425,296.80 : x - Step 2: Convert to fraction form
731,043.36/1,008,963.36 = 425,296.80/x - Step 3: Cross multiply
731,043.36x = 1,008,963.36 × 425,296.80 - Step 4: Simplify right side
731,043.36x = 429,108,888,325.25 - Step 5: Solve for x
x = 429,108,888,325.25/731,043.36 - Step 6: Final answer
x = 586,981.45
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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.