Finding the Fourth Proportional to 724,320.46, 1,086,116.19 and 250,878.70
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Solution
The fourth proportional to 724,320.46, 1,086,116.19 and 250,878.70 is: 376,191.80
Step by Step Solution
- Step 1: Write the proportion equation
724,320.46 : 1,086,116.19 = 250,878.70 : x - Step 2: Convert to fraction form
724,320.46/1,086,116.19 = 250,878.70/x - Step 3: Cross multiply
724,320.46x = 1,086,116.19 × 250,878.70 - Step 4: Simplify right side
724,320.46x = 272,483,417,796.15 - Step 5: Solve for x
x = 272,483,417,796.15/724,320.46 - Step 6: Final answer
x = 376,191.80
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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.