Finding the Fourth Proportional to 534,368.76, 737,928.36 and 343,713.12
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Solution
The fourth proportional to 534,368.76, 737,928.36 and 343,713.12 is: 474,645.37
Step by Step Solution
- Step 1: Write the proportion equation
534,368.76 : 737,928.36 = 343,713.12 : x - Step 2: Convert to fraction form
534,368.76/737,928.36 = 343,713.12/x - Step 3: Cross multiply
534,368.76x = 737,928.36 × 343,713.12 - Step 4: Simplify right side
534,368.76x = 253,635,658,952.08 - Step 5: Solve for x
x = 253,635,658,952.08/534,368.76 - Step 6: Final answer
x = 474,645.37
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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.