Finding the Fourth Proportional to 874,326.29, 1,311,666.21 and 368,888.49
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Solution
The fourth proportional to 874,326.29, 1,311,666.21 and 368,888.49 is: 553,407.32
Step by Step Solution
- Step 1: Write the proportion equation
874,326.29 : 1,311,666.21 = 368,888.49 : x - Step 2: Convert to fraction form
874,326.29/1,311,666.21 = 368,888.49/x - Step 3: Cross multiply
874,326.29x = 1,311,666.21 × 368,888.49 - Step 4: Simplify right side
874,326.29x = 483,858,567,590.92 - Step 5: Solve for x
x = 483,858,567,590.92/874,326.29 - Step 6: Final answer
x = 553,407.32
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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.