Finding the Fourth Proportional to 750,986.40, 1,126,479.60 and 550,219.80
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Solution
The fourth proportional to 750,986.40, 1,126,479.60 and 550,219.80 is: 825,329.70
Step by Step Solution
- Step 1: Write the proportion equation
750,986.40 : 1,126,479.60 = 550,219.80 : x - Step 2: Convert to fraction form
750,986.40/1,126,479.60 = 550,219.80/x - Step 3: Cross multiply
750,986.40x = 1,126,479.60 × 550,219.80 - Step 4: Simplify right side
750,986.40x = 619,811,380,216.08 - Step 5: Solve for x
x = 619,811,380,216.08/750,986.40 - Step 6: Final answer
x = 825,329.70
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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.