Finding the Fourth Proportional to 750,271.20, 1,125,406.80 and 706,968.60
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Solution
The fourth proportional to 750,271.20, 1,125,406.80 and 706,968.60 is: 1,060,452.90
Step by Step Solution
- Step 1: Write the proportion equation
750,271.20 : 1,125,406.80 = 706,968.60 : x - Step 2: Convert to fraction form
750,271.20/1,125,406.80 = 706,968.60/x - Step 3: Cross multiply
750,271.20x = 1,125,406.80 × 706,968.60 - Step 4: Simplify right side
750,271.20x = 795,627,269,826.48 - Step 5: Solve for x
x = 795,627,269,826.48/750,271.20 - Step 6: Final answer
x = 1,060,452.90
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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.