Finding the Fourth Proportional to 763,556.00, 1,053,720.41 and 419,406.44
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Solution
The fourth proportional to 763,556.00, 1,053,720.41 and 419,406.44 is: 578,788.09
Step by Step Solution
- Step 1: Write the proportion equation
763,556.00 : 1,053,720.41 = 419,406.44 : x - Step 2: Convert to fraction form
763,556.00/1,053,720.41 = 419,406.44/x - Step 3: Cross multiply
763,556.00x = 1,053,720.41 × 419,406.44 - Step 4: Simplify right side
763,556.00x = 441,937,118,547.81 - Step 5: Solve for x
x = 441,937,118,547.81/763,556.00 - Step 6: Final answer
x = 578,788.09
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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.