Finding the Fourth Proportional to 765,095.98, 1,055,790.14 and 425,542.36
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Solution
The fourth proportional to 765,095.98, 1,055,790.14 and 425,542.36 is: 587,224.92
Step by Step Solution
- Step 1: Write the proportion equation
765,095.98 : 1,055,790.14 = 425,542.36 : x - Step 2: Convert to fraction form
765,095.98/1,055,790.14 = 425,542.36/x - Step 3: Cross multiply
765,095.98x = 1,055,790.14 × 425,542.36 - Step 4: Simplify right side
765,095.98x = 449,283,427,840.33 - Step 5: Solve for x
x = 449,283,427,840.33/765,095.98 - Step 6: Final answer
x = 587,224.92
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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.