Finding the Fourth Proportional to 750,044.76, 1,035,053.74 and 405,873.12
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Solution
The fourth proportional to 750,044.76, 1,035,053.74 and 405,873.12 is: 560,100.56
Step by Step Solution
- Step 1: Write the proportion equation
750,044.76 : 1,035,053.74 = 405,873.12 : x - Step 2: Convert to fraction form
750,044.76/1,035,053.74 = 405,873.12/x - Step 3: Cross multiply
750,044.76x = 1,035,053.74 × 405,873.12 - Step 4: Simplify right side
750,044.76x = 420,100,490,821.47 - Step 5: Solve for x
x = 420,100,490,821.47/750,044.76 - Step 6: Final answer
x = 560,100.56
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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.