Finding the Fourth Proportional to 750,992.28, 1,036,380.06 and 449,127.96
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Solution
The fourth proportional to 750,992.28, 1,036,380.06 and 449,127.96 is: 619,802.99
Step by Step Solution
- Step 1: Write the proportion equation
750,992.28 : 1,036,380.06 = 449,127.96 : x - Step 2: Convert to fraction form
750,992.28/1,036,380.06 = 449,127.96/x - Step 3: Cross multiply
750,992.28x = 1,036,380.06 × 449,127.96 - Step 4: Simplify right side
750,992.28x = 465,467,262,132.48 - Step 5: Solve for x
x = 465,467,262,132.48/750,992.28 - Step 6: Final answer
x = 619,802.99
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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.