Finding the Fourth Proportional to 897,415.30, 1,346,122.95 and 328,795.30
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Solution
The fourth proportional to 897,415.30, 1,346,122.95 and 328,795.30 is: 493,192.95
Step by Step Solution
- Step 1: Write the proportion equation
897,415.30 : 1,346,122.95 = 328,795.30 : x - Step 2: Convert to fraction form
897,415.30/1,346,122.95 = 328,795.30/x - Step 3: Cross multiply
897,415.30x = 1,346,122.95 × 328,795.30 - Step 4: Simplify right side
897,415.30x = 442,598,899,182.14 - Step 5: Solve for x
x = 442,598,899,182.14/897,415.30 - Step 6: Final answer
x = 493,192.95
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Similar ratio
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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.