Finding the Fourth Proportional to 801,769.15, 1,106,405.16 and 479,656.84
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Solution
The fourth proportional to 801,769.15, 1,106,405.16 and 479,656.84 is: 661,904.74
Step by Step Solution
- Step 1: Write the proportion equation
801,769.15 : 1,106,405.16 = 479,656.84 : x - Step 2: Convert to fraction form
801,769.15/1,106,405.16 = 479,656.84/x - Step 3: Cross multiply
801,769.15x = 1,106,405.16 × 479,656.84 - Step 4: Simplify right side
801,769.15x = 530,694,802,805.29 - Step 5: Solve for x
x = 530,694,802,805.29/801,769.15 - Step 6: Final answer
x = 661,904.74
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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.