Finding the Fourth Proportional to 810,887.18, 1,119,047.68 and 448,334.46
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Solution
The fourth proportional to 810,887.18, 1,119,047.68 and 448,334.46 is: 618,714.48
Step by Step Solution
- Step 1: Write the proportion equation
810,887.18 : 1,119,047.68 = 448,334.46 : x - Step 2: Convert to fraction form
810,887.18/1,119,047.68 = 448,334.46/x - Step 3: Cross multiply
810,887.18x = 1,119,047.68 × 448,334.46 - Step 4: Simplify right side
810,887.18x = 501,707,637,327.05 - Step 5: Solve for x
x = 501,707,637,327.05/810,887.18 - Step 6: Final answer
x = 618,714.48
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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.