Finding the Fourth Proportional to 490,113.40, 735,170.10 and 446,567.80
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Solution
The fourth proportional to 490,113.40, 735,170.10 and 446,567.80 is: 669,851.70
Step by Step Solution
- Step 1: Write the proportion equation
490,113.40 : 735,170.10 = 446,567.80 : x - Step 2: Convert to fraction form
490,113.40/735,170.10 = 446,567.80/x - Step 3: Cross multiply
490,113.40x = 735,170.10 × 446,567.80 - Step 4: Simplify right side
490,113.40x = 328,303,294,182.78 - Step 5: Solve for x
x = 328,303,294,182.78/490,113.40 - Step 6: Final answer
x = 669,851.70
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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.