Finding the Fourth Proportional to 580,121.39, 799,920.36 and 375,903.99
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Solution
The fourth proportional to 580,121.39, 799,920.36 and 375,903.99 is: 518,328.16
Step by Step Solution
- Step 1: Write the proportion equation
580,121.39 : 799,920.36 = 375,903.99 : x - Step 2: Convert to fraction form
580,121.39/799,920.36 = 375,903.99/x - Step 3: Cross multiply
580,121.39x = 799,920.36 × 375,903.99 - Step 4: Simplify right side
580,121.39x = 300,693,255,006.24 - Step 5: Solve for x
x = 300,693,255,006.24/580,121.39 - Step 6: Final answer
x = 518,328.16
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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.