Finding the Fourth Proportional to 775,795.63, 1,163,681.75 and 349,030.08
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Solution
The fourth proportional to 775,795.63, 1,163,681.75 and 349,030.08 is: 523,539.86
Step by Step Solution
- Step 1: Write the proportion equation
775,795.63 : 1,163,681.75 = 349,030.08 : x - Step 2: Convert to fraction form
775,795.63/1,163,681.75 = 349,030.08/x - Step 3: Cross multiply
775,795.63x = 1,163,681.75 × 349,030.08 - Step 4: Simplify right side
775,795.63x = 406,159,934,297.04 - Step 5: Solve for x
x = 406,159,934,297.04/775,795.63 - Step 6: Final answer
x = 523,539.86
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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.