Finding the Fourth Proportional to 524,365.88, 785,831.19 and 396,176.76
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Solution
The fourth proportional to 524,365.88, 785,831.19 and 396,176.76 is: 593,722.95
Step by Step Solution
- Step 1: Write the proportion equation
524,365.88 : 785,831.19 = 396,176.76 : x - Step 2: Convert to fraction form
524,365.88/785,831.19 = 396,176.76/x - Step 3: Cross multiply
524,365.88x = 785,831.19 × 396,176.76 - Step 4: Simplify right side
524,365.88x = 311,328,054,761.14 - Step 5: Solve for x
x = 311,328,054,761.14/524,365.88 - Step 6: Final answer
x = 593,722.95
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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.