Finding the Fourth Proportional to 1,003,319.51, 1,384,186.77 and 573,368.99
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Solution
The fourth proportional to 1,003,319.51, 1,384,186.77 and 573,368.99 is: 791,023.96
Step by Step Solution
- Step 1: Write the proportion equation
1,003,319.51 : 1,384,186.77 = 573,368.99 : x - Step 2: Convert to fraction form
1,003,319.51/1,384,186.77 = 573,368.99/x - Step 3: Cross multiply
1,003,319.51x = 1,384,186.77 × 573,368.99 - Step 4: Simplify right side
1,003,319.51x = 793,649,763,365.33 - Step 5: Solve for x
x = 793,649,763,365.33/1,003,319.51 - Step 6: Final answer
x = 791,023.96
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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.