Finding the Fourth Proportional to 706,340.99, 974,739.09 and 384,059.21
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Solution
The fourth proportional to 706,340.99, 974,739.09 and 384,059.21 is: 529,995.47
Step by Step Solution
- Step 1: Write the proportion equation
706,340.99 : 974,739.09 = 384,059.21 : x - Step 2: Convert to fraction form
706,340.99/974,739.09 = 384,059.21/x - Step 3: Cross multiply
706,340.99x = 974,739.09 × 384,059.21 - Step 4: Simplify right side
706,340.99x = 374,357,519,987.82 - Step 5: Solve for x
x = 374,357,519,987.82/706,340.99 - Step 6: Final answer
x = 529,995.47
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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.