Finding the Fourth Proportional to 697,415.10, 1,046,219.85 and 298,052.70
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Solution
The fourth proportional to 697,415.10, 1,046,219.85 and 298,052.70 is: 447,120.59
Step by Step Solution
- Step 1: Write the proportion equation
697,415.10 : 1,046,219.85 = 298,052.70 : x - Step 2: Convert to fraction form
697,415.10/1,046,219.85 = 298,052.70/x - Step 3: Cross multiply
697,415.10x = 1,046,219.85 × 298,052.70 - Step 4: Simplify right side
697,415.10x = 311,828,651,086.10 - Step 5: Solve for x
x = 311,828,651,086.10/697,415.10 - Step 6: Final answer
x = 447,120.59
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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.