Finding the Fourth Proportional to 871,988.76, 1,308,315.24 and 303,433.02
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Solution
The fourth proportional to 871,988.76, 1,308,315.24 and 303,433.02 is: 455,265.09
Step by Step Solution
- Step 1: Write the proportion equation
871,988.76 : 1,308,315.24 = 303,433.02 : x - Step 2: Convert to fraction form
871,988.76/1,308,315.24 = 303,433.02/x - Step 3: Cross multiply
871,988.76x = 1,308,315.24 × 303,433.02 - Step 4: Simplify right side
871,988.76x = 396,986,044,385.23 - Step 5: Solve for x
x = 396,986,044,385.23/871,988.76 - Step 6: Final answer
x = 455,265.09
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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.