Finding the Fourth Proportional to 802,869.94, 1,107,962.06 and 440,296.36
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Solution
The fourth proportional to 802,869.94, 1,107,962.06 and 440,296.36 is: 607,609.82
Step by Step Solution
- Step 1: Write the proportion equation
802,869.94 : 1,107,962.06 = 440,296.36 : x - Step 2: Convert to fraction form
802,869.94/1,107,962.06 = 440,296.36/x - Step 3: Cross multiply
802,869.94x = 1,107,962.06 × 440,296.36 - Step 4: Simplify right side
802,869.94x = 487,831,662,036.10 - Step 5: Solve for x
x = 487,831,662,036.10/802,869.94 - Step 6: Final answer
x = 607,609.82
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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.