Finding the Fourth Proportional to 841,434.96, 1,161,180.14 and 459,462.09
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Solution
The fourth proportional to 841,434.96, 1,161,180.14 and 459,462.09 is: 634,057.62
Step by Step Solution
- Step 1: Write the proportion equation
841,434.96 : 1,161,180.14 = 459,462.09 : x - Step 2: Convert to fraction form
841,434.96/1,161,180.14 = 459,462.09/x - Step 3: Cross multiply
841,434.96x = 1,161,180.14 × 459,462.09 - Step 4: Simplify right side
841,434.96x = 533,518,251,693.58 - Step 5: Solve for x
x = 533,518,251,693.58/841,434.96 - Step 6: Final answer
x = 634,057.62
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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.