Finding the Fourth Proportional to 785,983.38, 1,179,204.71 and 253,492.62
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Solution
The fourth proportional to 785,983.38, 1,179,204.71 and 253,492.62 is: 380,312.99
Step by Step Solution
- Step 1: Write the proportion equation
785,983.38 : 1,179,204.71 = 253,492.62 : x - Step 2: Convert to fraction form
785,983.38/1,179,204.71 = 253,492.62/x - Step 3: Cross multiply
785,983.38x = 1,179,204.71 × 253,492.62 - Step 4: Simplify right side
785,983.38x = 298,919,690,186.78 - Step 5: Solve for x
x = 298,919,690,186.78/785,983.38 - Step 6: Final answer
x = 380,312.99
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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.