Finding the Fourth Proportional to 962,053.70, 1,442,740.35 and 330,820.70
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Solution
The fourth proportional to 962,053.70, 1,442,740.35 and 330,820.70 is: 496,114.07
Step by Step Solution
- Step 1: Write the proportion equation
962,053.70 : 1,442,740.35 = 330,820.70 : x - Step 2: Convert to fraction form
962,053.70/1,442,740.35 = 330,820.70/x - Step 3: Cross multiply
962,053.70x = 1,442,740.35 × 330,820.70 - Step 4: Simplify right side
962,053.70x = 477,288,372,505.25 - Step 5: Solve for x
x = 477,288,372,505.25/962,053.70 - Step 6: Final answer
x = 496,114.07
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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.