Finding the Fourth Proportional to 737,979.86, 1,107,319.71 and 439,050.98
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Solution
The fourth proportional to 737,979.86, 1,107,319.71 and 439,050.98 is: 658,784.65
Step by Step Solution
- Step 1: Write the proportion equation
737,979.86 : 1,107,319.71 = 439,050.98 : x - Step 2: Convert to fraction form
737,979.86/1,107,319.71 = 439,050.98/x - Step 3: Cross multiply
737,979.86x = 1,107,319.71 × 439,050.98 - Step 4: Simplify right side
737,979.86x = 486,169,803,848.82 - Step 5: Solve for x
x = 486,169,803,848.82/737,979.86 - Step 6: Final answer
x = 658,784.65
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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.