Finding the Fourth Proportional to 807,369.76, 1,114,257.84 and 444,830.80
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Solution
The fourth proportional to 807,369.76, 1,114,257.84 and 444,830.80 is: 613,914.75
Step by Step Solution
- Step 1: Write the proportion equation
807,369.76 : 1,114,257.84 = 444,830.80 : x - Step 2: Convert to fraction form
807,369.76/1,114,257.84 = 444,830.80/x - Step 3: Cross multiply
807,369.76x = 1,114,257.84 × 444,830.80 - Step 4: Simplify right side
807,369.76x = 495,656,206,373.47 - Step 5: Solve for x
x = 495,656,206,373.47/807,369.76 - Step 6: Final answer
x = 613,914.75
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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.