Finding the Fourth Proportional to 750,492.12, 1,125,398.36 and 323,826.64
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Solution
The fourth proportional to 750,492.12, 1,125,398.36 and 323,826.64 is: 485,593.33
Step by Step Solution
- Step 1: Write the proportion equation
750,492.12 : 1,125,398.36 = 323,826.64 : x - Step 2: Convert to fraction form
750,492.12/1,125,398.36 = 323,826.64/x - Step 3: Cross multiply
750,492.12x = 1,125,398.36 × 323,826.64 - Step 4: Simplify right side
750,492.12x = 364,433,969,580.31 - Step 5: Solve for x
x = 364,433,969,580.31/750,492.12 - Step 6: Final answer
x = 485,593.33
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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.