Finding the Fourth Proportional to 542,837.99, 813,426.63 and 290,154.44
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Solution
The fourth proportional to 542,837.99, 813,426.63 and 290,154.44 is: 434,787.82
Step by Step Solution
- Step 1: Write the proportion equation
542,837.99 : 813,426.63 = 290,154.44 : x - Step 2: Convert to fraction form
542,837.99/813,426.63 = 290,154.44/x - Step 3: Cross multiply
542,837.99x = 813,426.63 × 290,154.44 - Step 4: Simplify right side
542,837.99x = 236,019,344,241.60 - Step 5: Solve for x
x = 236,019,344,241.60/542,837.99 - Step 6: Final answer
x = 434,787.82
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1.5x scale
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.