Finding the Fourth Proportional to 699,102.09, 1,047,988.80 and 445,671.26
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Solution
The fourth proportional to 699,102.09, 1,047,988.80 and 445,671.26 is: 668,083.37
Step by Step Solution
- Step 1: Write the proportion equation
699,102.09 : 1,047,988.80 = 445,671.26 : x - Step 2: Convert to fraction form
699,102.09/1,047,988.80 = 445,671.26/x - Step 3: Cross multiply
699,102.09x = 1,047,988.80 × 445,671.26 - Step 4: Simplify right side
699,102.09x = 467,058,483,721.94 - Step 5: Solve for x
x = 467,058,483,721.94/699,102.09 - Step 6: Final answer
x = 668,083.37
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.