Finding the Fourth Proportional to 691,863.60, 954,730.58 and 401,452.68
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Solution
The fourth proportional to 691,863.60, 954,730.58 and 401,452.68 is: 553,980.80
Step by Step Solution
- Step 1: Write the proportion equation
691,863.60 : 954,730.58 = 401,452.68 : x - Step 2: Convert to fraction form
691,863.60/954,730.58 = 401,452.68/x - Step 3: Cross multiply
691,863.60x = 954,730.58 × 401,452.68 - Step 4: Simplify right side
691,863.60x = 383,279,150,018.95 - Step 5: Solve for x
x = 383,279,150,018.95/691,863.60 - Step 6: Final answer
x = 553,980.80
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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.