Finding the Fourth Proportional to 816,804.64, 1,224,407.06 and 457,151.14
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Solution
The fourth proportional to 816,804.64, 1,224,407.06 and 457,151.14 is: 685,279.02
Step by Step Solution
- Step 1: Write the proportion equation
816,804.64 : 1,224,407.06 = 457,151.14 : x - Step 2: Convert to fraction form
816,804.64/1,224,407.06 = 457,151.14/x - Step 3: Cross multiply
816,804.64x = 1,224,407.06 × 457,151.14 - Step 4: Simplify right side
816,804.64x = 559,739,083,303.05 - Step 5: Solve for x
x = 559,739,083,303.05/816,804.64 - Step 6: Final answer
x = 685,279.02
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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.