Finding the Fourth Proportional to 862,943.22, 1,190,862.96 and 480,961.80
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Solution
The fourth proportional to 862,943.22, 1,190,862.96 and 480,961.80 is: 663,728.02
Step by Step Solution
- Step 1: Write the proportion equation
862,943.22 : 1,190,862.96 = 480,961.80 : x - Step 2: Convert to fraction form
862,943.22/1,190,862.96 = 480,961.80/x - Step 3: Cross multiply
862,943.22x = 1,190,862.96 × 480,961.80 - Step 4: Simplify right side
862,943.22x = 572,759,592,794.93 - Step 5: Solve for x
x = 572,759,592,794.93/862,943.22 - Step 6: Final answer
x = 663,728.02
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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.