Finding the Fourth Proportional to 613,388.32, 920,029.62 and 373,440.09
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Solution
The fourth proportional to 613,388.32, 920,029.62 and 373,440.09 is: 560,127.95
Step by Step Solution
- Step 1: Write the proportion equation
613,388.32 : 920,029.62 = 373,440.09 : x - Step 2: Convert to fraction form
613,388.32/920,029.62 = 373,440.09/x - Step 3: Cross multiply
613,388.32x = 920,029.62 × 373,440.09 - Step 4: Simplify right side
613,388.32x = 343,575,944,095.47 - Step 5: Solve for x
x = 343,575,944,095.47/613,388.32 - Step 6: Final answer
x = 560,127.95
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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.