Finding the Fourth Proportional to 748,340.08, 1,122,952.98 and 275,357.60
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Solution
The fourth proportional to 748,340.08, 1,122,952.98 and 275,357.60 is: 413,199.35
Step by Step Solution
- Step 1: Write the proportion equation
748,340.08 : 1,122,952.98 = 275,357.60 : x - Step 2: Convert to fraction form
748,340.08/1,122,952.98 = 275,357.60/x - Step 3: Cross multiply
748,340.08x = 1,122,952.98 × 275,357.60 - Step 4: Simplify right side
748,340.08x = 309,213,637,485.65 - Step 5: Solve for x
x = 309,213,637,485.65/748,340.08 - Step 6: Final answer
x = 413,199.35
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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.