Finding the Fourth Proportional to 813,343.99, 1,122,414.67 and 450,822.31
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Solution
The fourth proportional to 813,343.99, 1,122,414.67 and 450,822.31 is: 622,134.77
Step by Step Solution
- Step 1: Write the proportion equation
813,343.99 : 1,122,414.67 = 450,822.31 : x - Step 2: Convert to fraction form
813,343.99/1,122,414.67 = 450,822.31/x - Step 3: Cross multiply
813,343.99x = 1,122,414.67 × 450,822.31 - Step 4: Simplify right side
813,343.99x = 506,009,574,307.29 - Step 5: Solve for x
x = 506,009,574,307.29/813,343.99 - Step 6: Final answer
x = 622,134.77
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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.