Finding the Fourth Proportional to 552,258.60, 762,121.41 and 310,539.06
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Solution
The fourth proportional to 552,258.60, 762,121.41 and 310,539.06 is: 428,546.46
Step by Step Solution
- Step 1: Write the proportion equation
552,258.60 : 762,121.41 = 310,539.06 : x - Step 2: Convert to fraction form
552,258.60/762,121.41 = 310,539.06/x - Step 3: Cross multiply
552,258.60x = 762,121.41 × 310,539.06 - Step 4: Simplify right side
552,258.60x = 236,668,466,267.28 - Step 5: Solve for x
x = 236,668,466,267.28/552,258.60 - Step 6: Final answer
x = 428,546.46
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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.