Finding the Fourth Proportional to 888,539.62, 1,226,215.29 and 486,131.62
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Solution
The fourth proportional to 888,539.62, 1,226,215.29 and 486,131.62 is: 670,878.39
Step by Step Solution
- Step 1: Write the proportion equation
888,539.62 : 1,226,215.29 = 486,131.62 : x - Step 2: Convert to fraction form
888,539.62/1,226,215.29 = 486,131.62/x - Step 3: Cross multiply
888,539.62x = 1,226,215.29 × 486,131.62 - Step 4: Simplify right side
888,539.62x = 596,102,025,396.47 - Step 5: Solve for x
x = 596,102,025,396.47/888,539.62 - Step 6: Final answer
x = 670,878.39
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1.5x scale
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.