Finding the Fourth Proportional to 624,135.20, 936,202.80 and 606,639.20
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Solution
The fourth proportional to 624,135.20, 936,202.80 and 606,639.20 is: 909,958.80
Step by Step Solution
- Step 1: Write the proportion equation
624,135.20 : 936,202.80 = 606,639.20 : x - Step 2: Convert to fraction form
624,135.20/936,202.80 = 606,639.20/x - Step 3: Cross multiply
624,135.20x = 936,202.80 × 606,639.20 - Step 4: Simplify right side
624,135.20x = 567,937,317,629.76 - Step 5: Solve for x
x = 567,937,317,629.76/624,135.20 - Step 6: Final answer
x = 909,958.80
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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.