Finding the Fourth Proportional to 862,881.24, 1,190,782.03 and 480,932.62
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Solution
The fourth proportional to 862,881.24, 1,190,782.03 and 480,932.62 is: 663,690.31
Step by Step Solution
- Step 1: Write the proportion equation
862,881.24 : 1,190,782.03 = 480,932.62 : x - Step 2: Convert to fraction form
862,881.24/1,190,782.03 = 480,932.62/x - Step 3: Cross multiply
862,881.24x = 1,190,782.03 × 480,932.62 - Step 4: Simplify right side
862,881.24x = 572,685,921,536.82 - Step 5: Solve for x
x = 572,685,921,536.82/862,881.24 - Step 6: Final answer
x = 663,690.31
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1.5x scale
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.