Finding the Fourth Proportional to 634,579.21, 875,711.14 and 362,643.99
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Solution
The fourth proportional to 634,579.21, 875,711.14 and 362,643.99 is: 500,444.04
Step by Step Solution
- Step 1: Write the proportion equation
634,579.21 : 875,711.14 = 362,643.99 : x - Step 2: Convert to fraction form
634,579.21/875,711.14 = 362,643.99/x - Step 3: Cross multiply
634,579.21x = 875,711.14 × 362,643.99 - Step 4: Simplify right side
634,579.21x = 317,571,381,897.05 - Step 5: Solve for x
x = 317,571,381,897.05/634,579.21 - Step 6: Final answer
x = 500,444.04
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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.