Finding the Fourth Proportional to 534,749.12, 737,823.84 and 296,285.12
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Solution
The fourth proportional to 534,749.12, 737,823.84 and 296,285.12 is: 408,801.47
Step by Step Solution
- Step 1: Write the proportion equation
534,749.12 : 737,823.84 = 296,285.12 : x - Step 2: Convert to fraction form
534,749.12/737,823.84 = 296,285.12/x - Step 3: Cross multiply
534,749.12x = 737,823.84 × 296,285.12 - Step 4: Simplify right side
534,749.12x = 218,606,224,973.26 - Step 5: Solve for x
x = 218,606,224,973.26/534,749.12 - Step 6: Final answer
x = 408,801.47
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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.