Finding the Fourth Proportional to 723,645.55, 1,085,468.34 and 495,716.41
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Solution
The fourth proportional to 723,645.55, 1,085,468.34 and 495,716.41 is: 743,574.62
Step by Step Solution
- Step 1: Write the proportion equation
723,645.55 : 1,085,468.34 = 495,716.41 : x - Step 2: Convert to fraction form
723,645.55/1,085,468.34 = 495,716.41/x - Step 3: Cross multiply
723,645.55x = 1,085,468.34 × 495,716.41 - Step 4: Simplify right side
723,645.55x = 538,084,460,767.54 - Step 5: Solve for x
x = 538,084,460,767.54/723,645.55 - Step 6: Final answer
x = 743,574.62
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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.