Finding the Fourth Proportional to 622,805.10, 934,207.65 and 610,995.30
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Solution
The fourth proportional to 622,805.10, 934,207.65 and 610,995.30 is: 916,492.95
Step by Step Solution
- Step 1: Write the proportion equation
622,805.10 : 934,207.65 = 610,995.30 : x - Step 2: Convert to fraction form
622,805.10/934,207.65 = 610,995.30/x - Step 3: Cross multiply
622,805.10x = 934,207.65 × 610,995.30 - Step 4: Simplify right side
622,805.10x = 570,796,483,374.05 - Step 5: Solve for x
x = 570,796,483,374.05/622,805.10 - Step 6: Final answer
x = 916,492.95
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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.