Finding the Fourth Proportional to 790,341.88, 1,090,698.24 and 484,359.14
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Solution
The fourth proportional to 790,341.88, 1,090,698.24 and 484,359.14 is: 668,431.82
Step by Step Solution
- Step 1: Write the proportion equation
790,341.88 : 1,090,698.24 = 484,359.14 : x - Step 2: Convert to fraction form
790,341.88/1,090,698.24 = 484,359.14/x - Step 3: Cross multiply
790,341.88x = 1,090,698.24 × 484,359.14 - Step 4: Simplify right side
790,341.88x = 528,289,661,982.23 - Step 5: Solve for x
x = 528,289,661,982.23/790,341.88 - Step 6: Final answer
x = 668,431.82
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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.