Finding the Fourth Proportional to 620,948.70, 930,643.92 and 265,544.79
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Solution
The fourth proportional to 620,948.70, 930,643.92 and 265,544.79 is: 397,983.99
Step by Step Solution
- Step 1: Write the proportion equation
620,948.70 : 930,643.92 = 265,544.79 : x - Step 2: Convert to fraction form
620,948.70/930,643.92 = 265,544.79/x - Step 3: Cross multiply
620,948.70x = 930,643.92 × 265,544.79 - Step 4: Simplify right side
620,948.70x = 247,127,644,301.18 - Step 5: Solve for x
x = 247,127,644,301.18/620,948.70 - Step 6: Final answer
x = 397,983.99
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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.