Finding the Fourth Proportional to 863,518.10, 1,191,657.58 and 476,324.18
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Solution
The fourth proportional to 863,518.10, 1,191,657.58 and 476,324.18 is: 657,328.80
Step by Step Solution
- Step 1: Write the proportion equation
863,518.10 : 1,191,657.58 = 476,324.18 : x - Step 2: Convert to fraction form
863,518.10/1,191,657.58 = 476,324.18/x - Step 3: Cross multiply
863,518.10x = 1,191,657.58 × 476,324.18 - Step 4: Simplify right side
863,518.10x = 567,615,319,634.28 - Step 5: Solve for x
x = 567,615,319,634.28/863,518.10 - Step 6: Final answer
x = 657,328.80
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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.