Finding the Fourth Proportional to 775,955.28, 1,070,807.97 and 436,423.53
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Solution
The fourth proportional to 775,955.28, 1,070,807.97 and 436,423.53 is: 602,258.67
Step by Step Solution
- Step 1: Write the proportion equation
775,955.28 : 1,070,807.97 = 436,423.53 : x - Step 2: Convert to fraction form
775,955.28/1,070,807.97 = 436,423.53/x - Step 3: Cross multiply
775,955.28x = 1,070,807.97 × 436,423.53 - Step 4: Simplify right side
775,955.28x = 467,325,794,219.53 - Step 5: Solve for x
x = 467,325,794,219.53/775,955.28 - Step 6: Final answer
x = 602,258.67
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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.