Finding the Fourth Proportional to 747,475.67, 1,031,157.74 and 489,238.96
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Solution
The fourth proportional to 747,475.67, 1,031,157.74 and 489,238.96 is: 674,915.00
Step by Step Solution
- Step 1: Write the proportion equation
747,475.67 : 1,031,157.74 = 489,238.96 : x - Step 2: Convert to fraction form
747,475.67/1,031,157.74 = 489,238.96/x - Step 3: Cross multiply
747,475.67x = 1,031,157.74 × 489,238.96 - Step 4: Simplify right side
747,475.67x = 504,482,535,157.76 - Step 5: Solve for x
x = 504,482,535,157.76/747,475.67 - Step 6: Final answer
x = 674,915.00
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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.