Finding the Fourth Proportional to 766,693.08, 1,058,043.68 and 422,541.42
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Solution
The fourth proportional to 766,693.08, 1,058,043.68 and 422,541.42 is: 583,111.14
Step by Step Solution
- Step 1: Write the proportion equation
766,693.08 : 1,058,043.68 = 422,541.42 : x - Step 2: Convert to fraction form
766,693.08/1,058,043.68 = 422,541.42/x - Step 3: Cross multiply
766,693.08x = 1,058,043.68 × 422,541.42 - Step 4: Simplify right side
766,693.08x = 447,067,278,043.35 - Step 5: Solve for x
x = 447,067,278,043.35/766,693.08 - Step 6: Final answer
x = 583,111.14
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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.