Finding the Fourth Proportional to 634,558.97, 875,691.43 and 348,079.79
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Solution
The fourth proportional to 634,558.97, 875,691.43 and 348,079.79 is: 480,350.14
Step by Step Solution
- Step 1: Write the proportion equation
634,558.97 : 875,691.43 = 348,079.79 : x - Step 2: Convert to fraction form
634,558.97/875,691.43 = 348,079.79/x - Step 3: Cross multiply
634,558.97x = 875,691.43 × 348,079.79 - Step 4: Simplify right side
634,558.97x = 304,810,490,378.23 - Step 5: Solve for x
x = 304,810,490,378.23/634,558.97 - Step 6: Final answer
x = 480,350.14
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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.