Finding the Fourth Proportional to 805,452.60, 1,208,095.68 and 272,959.80
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Solution
The fourth proportional to 805,452.60, 1,208,095.68 and 272,959.80 is: 409,411.50
Step by Step Solution
- Step 1: Write the proportion equation
805,452.60 : 1,208,095.68 = 272,959.80 : x - Step 2: Convert to fraction form
805,452.60/1,208,095.68 = 272,959.80/x - Step 3: Cross multiply
805,452.60x = 1,208,095.68 × 272,959.80 - Step 4: Simplify right side
805,452.60x = 329,761,555,193.66 - Step 5: Solve for x
x = 329,761,555,193.66/805,452.60 - Step 6: Final answer
x = 409,411.50
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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.