Finding the Fourth Proportional to 476,570.63, 657,815.09 and 306,804.75
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Solution
The fourth proportional to 476,570.63, 657,815.09 and 306,804.75 is: 423,485.59
Step by Step Solution
- Step 1: Write the proportion equation
476,570.63 : 657,815.09 = 306,804.75 : x - Step 2: Convert to fraction form
476,570.63/657,815.09 = 306,804.75/x - Step 3: Cross multiply
476,570.63x = 657,815.09 × 306,804.75 - Step 4: Simplify right side
476,570.63x = 201,820,792,699.65 - Step 5: Solve for x
x = 201,820,792,699.65/476,570.63 - Step 6: Final answer
x = 423,485.59
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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.