Finding the Fourth Proportional to 816,305.58, 1,224,485.91 and 310,790.79
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Solution
The fourth proportional to 816,305.58, 1,224,485.91 and 310,790.79 is: 466,196.67
Step by Step Solution
- Step 1: Write the proportion equation
816,305.58 : 1,224,485.91 = 310,790.79 : x - Step 2: Convert to fraction form
816,305.58/1,224,485.91 = 310,790.79/x - Step 3: Cross multiply
816,305.58x = 1,224,485.91 × 310,790.79 - Step 4: Simplify right side
816,305.58x = 380,558,943,312.77 - Step 5: Solve for x
x = 380,558,943,312.77/816,305.58 - Step 6: Final answer
x = 466,196.67
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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.