Finding the Fourth Proportional to 750,984.40, 1,126,476.60 and 550,217.80
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Solution
The fourth proportional to 750,984.40, 1,126,476.60 and 550,217.80 is: 825,326.70
Step by Step Solution
- Step 1: Write the proportion equation
750,984.40 : 1,126,476.60 = 550,217.80 : x - Step 2: Convert to fraction form
750,984.40/1,126,476.60 = 550,217.80/x - Step 3: Cross multiply
750,984.40x = 1,126,476.60 × 550,217.80 - Step 4: Simplify right side
750,984.40x = 619,807,476,603.48 - Step 5: Solve for x
x = 619,807,476,603.48/750,984.40 - Step 6: Final answer
x = 825,326.70
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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.