Finding the Fourth Proportional to 966,291.55, 1,449,615.50 and 317,904.25
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Solution
The fourth proportional to 966,291.55, 1,449,615.50 and 317,904.25 is: 476,914.99
Step by Step Solution
- Step 1: Write the proportion equation
966,291.55 : 1,449,615.50 = 317,904.25 : x - Step 2: Convert to fraction form
966,291.55/1,449,615.50 = 317,904.25/x - Step 3: Cross multiply
966,291.55x = 1,449,615.50 × 317,904.25 - Step 4: Simplify right side
966,291.55x = 460,838,922,685.13 - Step 5: Solve for x
x = 460,838,922,685.13/966,291.55 - Step 6: Final answer
x = 476,914.99
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.