Finding the Fourth Proportional to 955,945.87, 1,433,918.84 and 356,953.79
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Solution
The fourth proportional to 955,945.87, 1,433,918.84 and 356,953.79 is: 535,430.70
Step by Step Solution
- Step 1: Write the proportion equation
955,945.87 : 1,433,918.84 = 356,953.79 : x - Step 2: Convert to fraction form
955,945.87/1,433,918.84 = 356,953.79/x - Step 3: Cross multiply
955,945.87x = 1,433,918.84 × 356,953.79 - Step 4: Simplify right side
955,945.87x = 511,842,766,290.43 - Step 5: Solve for x
x = 511,842,766,290.43/955,945.87 - Step 6: Final answer
x = 535,430.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.