Finding the Fourth Proportional to 946,921.08, 1,306,817.82 and 539,023.10
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Solution
The fourth proportional to 946,921.08, 1,306,817.82 and 539,023.10 is: 743,889.86
Step by Step Solution
- Step 1: Write the proportion equation
946,921.08 : 1,306,817.82 = 539,023.10 : x - Step 2: Convert to fraction form
946,921.08/1,306,817.82 = 539,023.10/x - Step 3: Cross multiply
946,921.08x = 1,306,817.82 × 539,023.10 - Step 4: Simplify right side
946,921.08x = 704,404,992,471.64 - Step 5: Solve for x
x = 704,404,992,471.64/946,921.08 - Step 6: Final answer
x = 743,889.86
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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.