Finding the Fourth Proportional to 624,716.08, 862,104.24 and 338,235.28
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Solution
The fourth proportional to 624,716.08, 862,104.24 and 338,235.28 is: 466,762.55
Step by Step Solution
- Step 1: Write the proportion equation
624,716.08 : 862,104.24 = 338,235.28 : x - Step 2: Convert to fraction form
624,716.08/862,104.24 = 338,235.28/x - Step 3: Cross multiply
624,716.08x = 862,104.24 × 338,235.28 - Step 4: Simplify right side
624,716.08x = 291,594,069,005.59 - Step 5: Solve for x
x = 291,594,069,005.59/624,716.08 - Step 6: Final answer
x = 466,762.55
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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.