Finding the Fourth Proportional to 892,932.18, 1,232,441.40 and 549,064.05
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Solution
The fourth proportional to 892,932.18, 1,232,441.40 and 549,064.05 is: 757,828.29
Step by Step Solution
- Step 1: Write the proportion equation
892,932.18 : 1,232,441.40 = 549,064.05 : x - Step 2: Convert to fraction form
892,932.18/1,232,441.40 = 549,064.05/x - Step 3: Cross multiply
892,932.18x = 1,232,441.40 × 549,064.05 - Step 4: Simplify right side
892,932.18x = 676,689,266,471.67 - Step 5: Solve for x
x = 676,689,266,471.67/892,932.18 - Step 6: Final answer
x = 757,828.29
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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.