Finding the Fourth Proportional to 838,574.88, 1,257,557.76 and 365,146.08
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Solution
The fourth proportional to 838,574.88, 1,257,557.76 and 365,146.08 is: 547,586.50
Step by Step Solution
- Step 1: Write the proportion equation
838,574.88 : 1,257,557.76 = 365,146.08 : x - Step 2: Convert to fraction form
838,574.88/1,257,557.76 = 365,146.08/x - Step 3: Cross multiply
838,574.88x = 1,257,557.76 × 365,146.08 - Step 4: Simplify right side
838,574.88x = 459,192,286,437.58 - Step 5: Solve for x
x = 459,192,286,437.58/838,574.88 - Step 6: Final answer
x = 547,586.50
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1.5x scale
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.