Finding the Fourth Proportional to 741,873.84, 1,023,840.86 and 415,219.52
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Solution
The fourth proportional to 741,873.84, 1,023,840.86 and 415,219.52 is: 573,033.69
Step by Step Solution
- Step 1: Write the proportion equation
741,873.84 : 1,023,840.86 = 415,219.52 : x - Step 2: Convert to fraction form
741,873.84/1,023,840.86 = 415,219.52/x - Step 3: Cross multiply
741,873.84x = 1,023,840.86 × 415,219.52 - Step 4: Simplify right side
741,873.84x = 425,118,703,250.29 - Step 5: Solve for x
x = 425,118,703,250.29/741,873.84 - Step 6: Final answer
x = 573,033.69
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.