Finding the Fourth Proportional to 851,995.06, 1,175,753.11 and 470,021.84
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Solution
The fourth proportional to 851,995.06, 1,175,753.11 and 470,021.84 is: 648,630.10
Step by Step Solution
- Step 1: Write the proportion equation
851,995.06 : 1,175,753.11 = 470,021.84 : x - Step 2: Convert to fraction form
851,995.06/1,175,753.11 = 470,021.84/x - Step 3: Cross multiply
851,995.06x = 1,175,753.11 × 470,021.84 - Step 4: Simplify right side
851,995.06x = 552,629,637,723.48 - Step 5: Solve for x
x = 552,629,637,723.48/851,995.06 - Step 6: Final answer
x = 648,630.10
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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.