Finding the Fourth Proportional to 935,630.20, 1,291,315.28 and 614,272.44
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Solution
The fourth proportional to 935,630.20, 1,291,315.28 and 614,272.44 is: 847,791.56
Step by Step Solution
- Step 1: Write the proportion equation
935,630.20 : 1,291,315.28 = 614,272.44 : x - Step 2: Convert to fraction form
935,630.20/1,291,315.28 = 614,272.44/x - Step 3: Cross multiply
935,630.20x = 1,291,315.28 × 614,272.44 - Step 4: Simplify right side
935,630.20x = 793,219,387,854.88 - Step 5: Solve for x
x = 793,219,387,854.88/935,630.20 - Step 6: Final answer
x = 847,791.56
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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.