Finding the Fourth Proportional to 680,763.91, 1,021,256.68 and 201,040.23
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Solution
The fourth proportional to 680,763.91, 1,021,256.68 and 201,040.23 is: 301,593.07
Step by Step Solution
- Step 1: Write the proportion equation
680,763.91 : 1,021,256.68 = 201,040.23 : x - Step 2: Convert to fraction form
680,763.91/1,021,256.68 = 201,040.23/x - Step 3: Cross multiply
680,763.91x = 1,021,256.68 × 201,040.23 - Step 4: Simplify right side
680,763.91x = 205,313,676,831.04 - Step 5: Solve for x
x = 205,313,676,831.04/680,763.91 - Step 6: Final answer
x = 301,593.07
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.