Finding the Fourth Proportional to 897,425.80, 1,346,138.70 and 328,805.80
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Solution
The fourth proportional to 897,425.80, 1,346,138.70 and 328,805.80 is: 493,208.70
Step by Step Solution
- Step 1: Write the proportion equation
897,425.80 : 1,346,138.70 = 328,805.80 : x - Step 2: Convert to fraction form
897,425.80/1,346,138.70 = 328,805.80/x - Step 3: Cross multiply
897,425.80x = 1,346,138.70 × 328,805.80 - Step 4: Simplify right side
897,425.80x = 442,618,212,164.46 - Step 5: Solve for x
x = 442,618,212,164.46/897,425.80 - Step 6: Final answer
x = 493,208.70
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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.