Finding the Fourth Proportional to 850,559.99, 1,276,023.06 and 424,325.03
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Solution
The fourth proportional to 850,559.99, 1,276,023.06 and 424,325.03 is: 636,578.87
Step by Step Solution
- Step 1: Write the proportion equation
850,559.99 : 1,276,023.06 = 424,325.03 : x - Step 2: Convert to fraction form
850,559.99/1,276,023.06 = 424,325.03/x - Step 3: Cross multiply
850,559.99x = 1,276,023.06 × 424,325.03 - Step 4: Simplify right side
850,559.99x = 541,448,516,835.08 - Step 5: Solve for x
x = 541,448,516,835.08/850,559.99 - Step 6: Final answer
x = 636,578.87
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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.