Finding the Fourth Proportional to 875,452.91, 1,208,687.28 and 549,213.20
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Solution
The fourth proportional to 875,452.91, 1,208,687.28 and 549,213.20 is: 758,266.95
Step by Step Solution
- Step 1: Write the proportion equation
875,452.91 : 1,208,687.28 = 549,213.20 : x - Step 2: Convert to fraction form
875,452.91/1,208,687.28 = 549,213.20/x - Step 3: Cross multiply
875,452.91x = 1,208,687.28 × 549,213.20 - Step 4: Simplify right side
875,452.91x = 663,827,008,848.10 - Step 5: Solve for x
x = 663,827,008,848.10/875,452.91 - Step 6: Final answer
x = 758,266.95
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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.