Finding the Fourth Proportional to 763,618.21, 1,053,731.67 and 441,349.18
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Solution
The fourth proportional to 763,618.21, 1,053,731.67 and 441,349.18 is: 609,026.34
Step by Step Solution
- Step 1: Write the proportion equation
763,618.21 : 1,053,731.67 = 441,349.18 : x - Step 2: Convert to fraction form
763,618.21/1,053,731.67 = 441,349.18/x - Step 3: Cross multiply
763,618.21x = 1,053,731.67 × 441,349.18 - Step 4: Simplify right side
763,618.21x = 465,063,605,860.20 - Step 5: Solve for x
x = 465,063,605,860.20/763,618.21 - Step 6: Final answer
x = 609,026.34
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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.