Finding the Fourth Proportional to 726,365.80, 1,089,548.70 and 558,209.80
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Solution
The fourth proportional to 726,365.80, 1,089,548.70 and 558,209.80 is: 837,314.70
Step by Step Solution
- Step 1: Write the proportion equation
726,365.80 : 1,089,548.70 = 558,209.80 : x - Step 2: Convert to fraction form
726,365.80/1,089,548.70 = 558,209.80/x - Step 3: Cross multiply
726,365.80x = 1,089,548.70 × 558,209.80 - Step 4: Simplify right side
726,365.80x = 608,196,761,917.26 - Step 5: Solve for x
x = 608,196,761,917.26/726,365.80 - Step 6: Final answer
x = 837,314.70
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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.