Finding the Fourth Proportional to 960,053.70, 1,440,080.55 and 295,205.70
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Solution
The fourth proportional to 960,053.70, 1,440,080.55 and 295,205.70 is: 442,808.55
Step by Step Solution
- Step 1: Write the proportion equation
960,053.70 : 1,440,080.55 = 295,205.70 : x - Step 2: Convert to fraction form
960,053.70/1,440,080.55 = 295,205.70/x - Step 3: Cross multiply
960,053.70x = 1,440,080.55 × 295,205.70 - Step 4: Simplify right side
960,053.70x = 425,119,986,819.14 - Step 5: Solve for x
x = 425,119,986,819.14/960,053.70 - Step 6: Final answer
x = 442,808.55
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Similar ratio
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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.