Finding the Fourth Proportional to 542,991.60, 814,720.68 and 386,227.44
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Solution
The fourth proportional to 542,991.60, 814,720.68 and 386,227.44 is: 579,507.09
Step by Step Solution
- Step 1: Write the proportion equation
542,991.60 : 814,720.68 = 386,227.44 : x - Step 2: Convert to fraction form
542,991.60/814,720.68 = 386,227.44/x - Step 3: Cross multiply
542,991.60x = 814,720.68 × 386,227.44 - Step 4: Simplify right side
542,991.60x = 314,667,482,551.46 - Step 5: Solve for x
x = 314,667,482,551.46/542,991.60 - Step 6: Final answer
x = 579,507.09
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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.