Finding the Fourth Proportional to 1,490,907.88, 2,236,719.32 and 480,125.08
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Solution
The fourth proportional to 1,490,907.88, 2,236,719.32 and 480,125.08 is: 720,302.75
Step by Step Solution
- Step 1: Write the proportion equation
1,490,907.88 : 2,236,719.32 = 480,125.08 : x - Step 2: Convert to fraction form
1,490,907.88/2,236,719.32 = 480,125.08/x - Step 3: Cross multiply
1,490,907.88x = 2,236,719.32 × 480,125.08 - Step 4: Simplify right side
1,490,907.88x = 1,073,905,042,452.55 - Step 5: Solve for x
x = 1,073,905,042,452.55/1,490,907.88 - Step 6: Final answer
x = 720,302.75
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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.