Finding the Fourth Proportional to 739,823.06, 1,020,846.35 and 449,283.53
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Solution
The fourth proportional to 739,823.06, 1,020,846.35 and 449,283.53 is: 619,944.79
Step by Step Solution
- Step 1: Write the proportion equation
739,823.06 : 1,020,846.35 = 449,283.53 : x - Step 2: Convert to fraction form
739,823.06/1,020,846.35 = 449,283.53/x - Step 3: Cross multiply
739,823.06x = 1,020,846.35 × 449,283.53 - Step 4: Simplify right side
739,823.06x = 458,649,447,734.59 - Step 5: Solve for x
x = 458,649,447,734.59/739,823.06 - Step 6: Final answer
x = 619,944.79
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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.