Finding the Fourth Proportional to 546,847.80, 819,915.30 and 490,860.60
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Solution
The fourth proportional to 546,847.80, 819,915.30 and 490,860.60 is: 735,970.99
Step by Step Solution
- Step 1: Write the proportion equation
546,847.80 : 819,915.30 = 490,860.60 : x - Step 2: Convert to fraction form
546,847.80/819,915.30 = 490,860.60/x - Step 3: Cross multiply
546,847.80x = 819,915.30 × 490,860.60 - Step 4: Simplify right side
546,847.80x = 402,464,116,107.18 - Step 5: Solve for x
x = 402,464,116,107.18/546,847.80 - Step 6: Final answer
x = 735,970.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.