Finding the Fourth Proportional to 577,721.20, 797,455.68 and 397,031.26
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Solution
The fourth proportional to 577,721.20, 797,455.68 and 397,031.26 is: 548,040.88
Step by Step Solution
- Step 1: Write the proportion equation
577,721.20 : 797,455.68 = 397,031.26 : x - Step 2: Convert to fraction form
577,721.20/797,455.68 = 397,031.26/x - Step 3: Cross multiply
577,721.20x = 797,455.68 × 397,031.26 - Step 4: Simplify right side
577,721.20x = 316,614,833,424.56 - Step 5: Solve for x
x = 316,614,833,424.56/577,721.20 - Step 6: Final answer
x = 548,040.88
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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.