Finding the Fourth Proportional to 553,914.68, 764,402.80 and 299,266.42
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Solution
The fourth proportional to 553,914.68, 764,402.80 and 299,266.42 is: 412,987.95
Step by Step Solution
- Step 1: Write the proportion equation
553,914.68 : 764,402.80 = 299,266.42 : x - Step 2: Convert to fraction form
553,914.68/764,402.80 = 299,266.42/x - Step 3: Cross multiply
553,914.68x = 764,402.80 × 299,266.42 - Step 4: Simplify right side
553,914.68x = 228,760,089,393.98 - Step 5: Solve for x
x = 228,760,089,393.98/553,914.68 - Step 6: Final answer
x = 412,987.95
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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.