Finding the Fourth Proportional to 536,697.90, 740,647.71 and 294,986.09
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Solution
The fourth proportional to 536,697.90, 740,647.71 and 294,986.09 is: 407,083.34
Step by Step Solution
- Step 1: Write the proportion equation
536,697.90 : 740,647.71 = 294,986.09 : x - Step 2: Convert to fraction form
536,697.90/740,647.71 = 294,986.09/x - Step 3: Cross multiply
536,697.90x = 740,647.71 × 294,986.09 - Step 4: Simplify right side
536,697.90x = 218,480,773,891.97 - Step 5: Solve for x
x = 218,480,773,891.97/536,697.90 - Step 6: Final answer
x = 407,083.34
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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.