Finding the Fourth Proportional to 801,706.44, 1,106,341.62 and 439,126.92
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Solution
The fourth proportional to 801,706.44, 1,106,341.62 and 439,126.92 is: 605,987.88
Step by Step Solution
- Step 1: Write the proportion equation
801,706.44 : 1,106,341.62 = 439,126.92 : x - Step 2: Convert to fraction form
801,706.44/1,106,341.62 = 439,126.92/x - Step 3: Cross multiply
801,706.44x = 1,106,341.62 × 439,126.92 - Step 4: Simplify right side
801,706.44x = 485,824,388,058.41 - Step 5: Solve for x
x = 485,824,388,058.41/801,706.44 - Step 6: Final answer
x = 605,987.88
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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.