Finding the Fourth Proportional to 577,720.24, 797,238.96 and 319,606.72
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Solution
The fourth proportional to 577,720.24, 797,238.96 and 319,606.72 is: 441,048.99
Step by Step Solution
- Step 1: Write the proportion equation
577,720.24 : 797,238.96 = 319,606.72 : x - Step 2: Convert to fraction form
577,720.24/797,238.96 = 319,606.72/x - Step 3: Cross multiply
577,720.24x = 797,238.96 × 319,606.72 - Step 4: Simplify right side
577,720.24x = 254,802,929,061.81 - Step 5: Solve for x
x = 254,802,929,061.81/577,720.24 - Step 6: Final answer
x = 441,048.99
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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.