Finding the Fourth Proportional to 565,315.26, 780,258.09 and 347,710.95
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Solution
The fourth proportional to 565,315.26, 780,258.09 and 347,710.95 is: 479,916.78
Step by Step Solution
- Step 1: Write the proportion equation
565,315.26 : 780,258.09 = 347,710.95 : x - Step 2: Convert to fraction form
565,315.26/780,258.09 = 347,710.95/x - Step 3: Cross multiply
565,315.26x = 780,258.09 × 347,710.95 - Step 4: Simplify right side
565,315.26x = 271,304,281,719.09 - Step 5: Solve for x
x = 271,304,281,719.09/565,315.26 - Step 6: Final answer
x = 479,916.78
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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.