Finding the Fourth Proportional to 871,708.20, 1,305,126.20 and 470,913.08
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Solution
The fourth proportional to 871,708.20, 1,305,126.20 and 470,913.08 is: 705,053.59
Step by Step Solution
- Step 1: Write the proportion equation
871,708.20 : 1,305,126.20 = 470,913.08 : x - Step 2: Convert to fraction form
871,708.20/1,305,126.20 = 470,913.08/x - Step 3: Cross multiply
871,708.20x = 1,305,126.20 × 470,913.08 - Step 4: Simplify right side
871,708.20x = 614,600,998,630.70 - Step 5: Solve for x
x = 614,600,998,630.70/871,708.20 - Step 6: Final answer
x = 705,053.59
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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.