Finding the Fourth Proportional to 775,559.55, 1,163,365.25 and 214,547.07
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Solution
The fourth proportional to 775,559.55, 1,163,365.25 and 214,547.07 is: 321,827.78
Step by Step Solution
- Step 1: Write the proportion equation
775,559.55 : 1,163,365.25 = 214,547.07 : x - Step 2: Convert to fraction form
775,559.55/1,163,365.25 = 214,547.07/x - Step 3: Cross multiply
775,559.55x = 1,163,365.25 × 214,547.07 - Step 4: Simplify right side
775,559.55x = 249,596,604,654.58 - Step 5: Solve for x
x = 249,596,604,654.58/775,559.55 - Step 6: Final answer
x = 321,827.78
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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.