Finding the Fourth Proportional to 534,751.68, 737,887.20 and 319,813.44
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Solution
The fourth proportional to 534,751.68, 737,887.20 and 319,813.44 is: 441,300.61
Step by Step Solution
- Step 1: Write the proportion equation
534,751.68 : 737,887.20 = 319,813.44 : x - Step 2: Convert to fraction form
534,751.68/737,887.20 = 319,813.44/x - Step 3: Cross multiply
534,751.68x = 737,887.20 × 319,813.44 - Step 4: Simplify right side
534,751.68x = 235,986,243,763.97 - Step 5: Solve for x
x = 235,986,243,763.97/534,751.68 - Step 6: Final answer
x = 441,300.61
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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.