Finding the Fourth Proportional to 579,536.20, 869,304.30 and 366,959.80
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Solution
The fourth proportional to 579,536.20, 869,304.30 and 366,959.80 is: 550,439.70
Step by Step Solution
- Step 1: Write the proportion equation
579,536.20 : 869,304.30 = 366,959.80 : x - Step 2: Convert to fraction form
579,536.20/869,304.30 = 366,959.80/x - Step 3: Cross multiply
579,536.20x = 869,304.30 × 366,959.80 - Step 4: Simplify right side
579,536.20x = 318,999,732,067.14 - Step 5: Solve for x
x = 318,999,732,067.14/579,536.20 - Step 6: Final answer
x = 550,439.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.