Finding the Fourth Proportional to 724,352.62, 1,086,722.16 and 251,037.58
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Solution
The fourth proportional to 724,352.62, 1,086,722.16 and 251,037.58 is: 376,623.34
Step by Step Solution
- Step 1: Write the proportion equation
724,352.62 : 1,086,722.16 = 251,037.58 : x - Step 2: Convert to fraction form
724,352.62/1,086,722.16 = 251,037.58/x - Step 3: Cross multiply
724,352.62x = 1,086,722.16 × 251,037.58 - Step 4: Simplify right side
724,352.62x = 272,808,101,178.77 - Step 5: Solve for x
x = 272,808,101,178.77/724,352.62 - Step 6: Final answer
x = 376,623.34
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1.5x scale
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.