Finding the Fourth Proportional to 813,437.28, 1,122,610.63 and 450,974.84
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Solution
The fourth proportional to 813,437.28, 1,122,610.63 and 450,974.84 is: 622,382.53
Step by Step Solution
- Step 1: Write the proportion equation
813,437.28 : 1,122,610.63 = 450,974.84 : x - Step 2: Convert to fraction form
813,437.28/1,122,610.63 = 450,974.84/x - Step 3: Cross multiply
813,437.28x = 1,122,610.63 × 450,974.84 - Step 4: Simplify right side
813,437.28x = 506,269,149,246.55 - Step 5: Solve for x
x = 506,269,149,246.55/813,437.28 - Step 6: Final answer
x = 622,382.53
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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.