Finding the Fourth Proportional to 624,880.24, 862,335.60 and 338,400.76
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Solution
The fourth proportional to 624,880.24, 862,335.60 and 338,400.76 is: 466,993.52
Step by Step Solution
- Step 1: Write the proportion equation
624,880.24 : 862,335.60 = 338,400.76 : x - Step 2: Convert to fraction form
624,880.24/862,335.60 = 338,400.76/x - Step 3: Cross multiply
624,880.24x = 862,335.60 × 338,400.76 - Step 4: Simplify right side
624,880.24x = 291,815,022,415.06 - Step 5: Solve for x
x = 291,815,022,415.06/624,880.24 - Step 6: Final answer
x = 466,993.52
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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.