Finding the Fourth Proportional to 750,757.68, 1,036,060.74 and 411,226.20
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Solution
The fourth proportional to 750,757.68, 1,036,060.74 and 411,226.20 is: 567,500.45
Step by Step Solution
- Step 1: Write the proportion equation
750,757.68 : 1,036,060.74 = 411,226.20 : x - Step 2: Convert to fraction form
750,757.68/1,036,060.74 = 411,226.20/x - Step 3: Cross multiply
750,757.68x = 1,036,060.74 × 411,226.20 - Step 4: Simplify right side
750,757.68x = 426,055,321,079.39 - Step 5: Solve for x
x = 426,055,321,079.39/750,757.68 - Step 6: Final answer
x = 567,500.45
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.