Finding the Fourth Proportional to 780,237.93, 1,170,397.40 and 247,800.63
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Solution
The fourth proportional to 780,237.93, 1,170,397.40 and 247,800.63 is: 371,713.81
Step by Step Solution
- Step 1: Write the proportion equation
780,237.93 : 1,170,397.40 = 247,800.63 : x - Step 2: Convert to fraction form
780,237.93/1,170,397.40 = 247,800.63/x - Step 3: Cross multiply
780,237.93x = 1,170,397.40 × 247,800.63 - Step 4: Simplify right side
780,237.93x = 290,025,211,831.36 - Step 5: Solve for x
x = 290,025,211,831.36/780,237.93 - Step 6: Final answer
x = 371,713.81
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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.