Finding the Fourth Proportional to 893,270.93, 1,339,153.14 and 387,451.08
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Solution
The fourth proportional to 893,270.93, 1,339,153.14 and 387,451.08 is: 580,849.90
Step by Step Solution
- Step 1: Write the proportion equation
893,270.93 : 1,339,153.14 = 387,451.08 : x - Step 2: Convert to fraction form
893,270.93/1,339,153.14 = 387,451.08/x - Step 3: Cross multiply
893,270.93x = 1,339,153.14 × 387,451.08 - Step 4: Simplify right side
893,270.93x = 518,856,331,831.33 - Step 5: Solve for x
x = 518,856,331,831.33/893,270.93 - Step 6: Final answer
x = 580,849.90
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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.