Finding the Fourth Proportional to 665,246.20, 917,779.26 and 410,154.52
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Solution
The fourth proportional to 665,246.20, 917,779.26 and 410,154.52 is: 565,852.63
Step by Step Solution
- Step 1: Write the proportion equation
665,246.20 : 917,779.26 = 410,154.52 : x - Step 2: Convert to fraction form
665,246.20/917,779.26 = 410,154.52/x - Step 3: Cross multiply
665,246.20x = 917,779.26 × 410,154.52 - Step 4: Simplify right side
665,246.20x = 376,431,311,851.26 - Step 5: Solve for x
x = 376,431,311,851.26/665,246.20 - Step 6: Final answer
x = 565,852.63
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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.