Finding the Fourth Proportional to 534,867.76, 738,453.12 and 344,212.48
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Solution
The fourth proportional to 534,867.76, 738,453.12 and 344,212.48 is: 475,229.20
Step by Step Solution
- Step 1: Write the proportion equation
534,867.76 : 738,453.12 = 344,212.48 : x - Step 2: Convert to fraction form
534,867.76/738,453.12 = 344,212.48/x - Step 3: Cross multiply
534,867.76x = 738,453.12 × 344,212.48 - Step 4: Simplify right side
534,867.76x = 254,184,779,798.94 - Step 5: Solve for x
x = 254,184,779,798.94/534,867.76 - Step 6: Final answer
x = 475,229.20
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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.