Finding the Fourth Proportional to 566,990.07, 782,409.16 and 312,341.26
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Solution
The fourth proportional to 566,990.07, 782,409.16 and 312,341.26 is: 431,010.48
Step by Step Solution
- Step 1: Write the proportion equation
566,990.07 : 782,409.16 = 312,341.26 : x - Step 2: Convert to fraction form
566,990.07/782,409.16 = 312,341.26/x - Step 3: Cross multiply
566,990.07x = 782,409.16 × 312,341.26 - Step 4: Simplify right side
566,990.07x = 244,378,662,869.94 - Step 5: Solve for x
x = 244,378,662,869.94/566,990.07 - Step 6: Final answer
x = 431,010.48
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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.