Finding the Fourth Proportional to 611,476.28, 842,448.74 and 473,179.62
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Solution
The fourth proportional to 611,476.28, 842,448.74 and 473,179.62 is: 651,913.38
Step by Step Solution
- Step 1: Write the proportion equation
611,476.28 : 842,448.74 = 473,179.62 : x - Step 2: Convert to fraction form
611,476.28/842,448.74 = 473,179.62/x - Step 3: Cross multiply
611,476.28x = 842,448.74 × 473,179.62 - Step 4: Simplify right side
611,476.28x = 398,629,570,717.19 - Step 5: Solve for x
x = 398,629,570,717.19/611,476.28 - Step 6: Final answer
x = 651,913.38
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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.