Finding the Fourth Proportional to 939,137.04, 1,295,220.84 and 616,600.08
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Solution
The fourth proportional to 939,137.04, 1,295,220.84 and 616,600.08 is: 850,390.56
Step by Step Solution
- Step 1: Write the proportion equation
939,137.04 : 1,295,220.84 = 616,600.08 : x - Step 2: Convert to fraction form
939,137.04/1,295,220.84 = 616,600.08/x - Step 3: Cross multiply
939,137.04x = 1,295,220.84 × 616,600.08 - Step 4: Simplify right side
939,137.04x = 798,633,273,561.67 - Step 5: Solve for x
x = 798,633,273,561.67/939,137.04 - Step 6: Final answer
x = 850,390.56
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1.5x scale
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.