Finding the Fourth Proportional to 802,718.88, 1,107,762.78 and 440,141.84
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Solution
The fourth proportional to 802,718.88, 1,107,762.78 and 440,141.84 is: 607,401.62
Step by Step Solution
- Step 1: Write the proportion equation
802,718.88 : 1,107,762.78 = 440,141.84 : x - Step 2: Convert to fraction form
802,718.88/1,107,762.78 = 440,141.84/x - Step 3: Cross multiply
802,718.88x = 1,107,762.78 × 440,141.84 - Step 4: Simplify right side
802,718.88x = 487,572,748,272.72 - Step 5: Solve for x
x = 487,572,748,272.72/802,718.88 - Step 6: Final answer
x = 607,401.62
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.