Finding the Fourth Proportional to 864,690.50, 1,299,004.05 and 625,542.05
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Solution
The fourth proportional to 864,690.50, 1,299,004.05 and 625,542.05 is: 939,737.00
Step by Step Solution
- Step 1: Write the proportion equation
864,690.50 : 1,299,004.05 = 625,542.05 : x - Step 2: Convert to fraction form
864,690.50/1,299,004.05 = 625,542.05/x - Step 3: Cross multiply
864,690.50x = 1,299,004.05 × 625,542.05 - Step 4: Simplify right side
864,690.50x = 812,581,649,900.28 - Step 5: Solve for x
x = 812,581,649,900.28/864,690.50 - Step 6: Final answer
x = 939,737.00
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1.5x scale
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.