Finding the Fourth Proportional to 756,931.57, 1,135,616.49 and 224,465.38
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Solution
The fourth proportional to 756,931.57, 1,135,616.49 and 224,465.38 is: 336,763.05
Step by Step Solution
- Step 1: Write the proportion equation
756,931.57 : 1,135,616.49 = 224,465.38 : x - Step 2: Convert to fraction form
756,931.57/1,135,616.49 = 224,465.38/x - Step 3: Cross multiply
756,931.57x = 1,135,616.49 × 224,465.38 - Step 4: Simplify right side
756,931.57x = 254,906,584,123.08 - Step 5: Solve for x
x = 254,906,584,123.08/756,931.57 - Step 6: Final answer
x = 336,763.05
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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.