Finding the Fourth Proportional to 975,101.80, 1,462,652.70 and 809,213.80
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Solution
The fourth proportional to 975,101.80, 1,462,652.70 and 809,213.80 is: 1,213,820.70
Step by Step Solution
- Step 1: Write the proportion equation
975,101.80 : 1,462,652.70 = 809,213.80 : x - Step 2: Convert to fraction form
975,101.80/1,462,652.70 = 809,213.80/x - Step 3: Cross multiply
975,101.80x = 1,462,652.70 × 809,213.80 - Step 4: Simplify right side
975,101.80x = 1,183,598,749,447.26 - Step 5: Solve for x
x = 1,183,598,749,447.26/975,101.80 - Step 6: Final answer
x = 1,213,820.70
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1.5x scale
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.