Finding the Fourth Proportional to 806,840.84, 1,113,589.68 and 467,309
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Solution
The fourth proportional to 806,840.84, 1,113,589.68 and 467,309 is: 644,972.90
Step by Step Solution
- Step 1: Write the proportion equation
806,840.84 : 1,113,589.68 = 467,309 : x - Step 2: Convert to fraction form
806,840.84/1,113,589.68 = 467,309/x - Step 3: Cross multiply
806,840.84x = 1,113,589.68 × 467,309 - Step 4: Simplify right side
806,840.84x = 520,390,479,771.12 - Step 5: Solve for x
x = 520,390,479,771.12/806,840.84 - Step 6: Final answer
x = 644,972.90
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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.