Finding the Fourth Proportional to 574,778.63, 793,134.96 and 353,980.99
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Solution
The fourth proportional to 574,778.63, 793,134.96 and 353,980.99 is: 488,457.09
Step by Step Solution
- Step 1: Write the proportion equation
574,778.63 : 793,134.96 = 353,980.99 : x - Step 2: Convert to fraction form
574,778.63/793,134.96 = 353,980.99/x - Step 3: Cross multiply
574,778.63x = 793,134.96 × 353,980.99 - Step 4: Simplify right side
574,778.63x = 280,754,698,344.41 - Step 5: Solve for x
x = 280,754,698,344.41/574,778.63 - Step 6: Final answer
x = 488,457.09
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1.5x scale
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.