Finding the Fourth Proportional to 761,272.48, 1,050,593.52 and 421,742.08
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Solution
The fourth proportional to 761,272.48, 1,050,593.52 and 421,742.08 is: 582,024.84
Step by Step Solution
- Step 1: Write the proportion equation
761,272.48 : 1,050,593.52 = 421,742.08 : x - Step 2: Convert to fraction form
761,272.48/1,050,593.52 = 421,742.08/x - Step 3: Cross multiply
761,272.48x = 1,050,593.52 × 421,742.08 - Step 4: Simplify right side
761,272.48x = 443,079,496,359.32 - Step 5: Solve for x
x = 443,079,496,359.32/761,272.48 - Step 6: Final answer
x = 582,024.84
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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.