Finding the Fourth Proportional to 624,959.84, 862,449.17 and 338,482.28
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Solution
The fourth proportional to 624,959.84, 862,449.17 and 338,482.28 is: 467,108.03
Step by Step Solution
- Step 1: Write the proportion equation
624,959.84 : 862,449.17 = 338,482.28 : x - Step 2: Convert to fraction form
624,959.84/862,449.17 = 338,482.28/x - Step 3: Cross multiply
624,959.84x = 862,449.17 × 338,482.28 - Step 4: Simplify right side
624,959.84x = 291,923,755,441.05 - Step 5: Solve for x
x = 291,923,755,441.05/624,959.84 - Step 6: Final answer
x = 467,108.03
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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.