Finding the Fourth Proportional to 939,698.90, 1,409,548.35 and 541,567.70
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Solution
The fourth proportional to 939,698.90, 1,409,548.35 and 541,567.70 is: 812,351.55
Step by Step Solution
- Step 1: Write the proportion equation
939,698.90 : 1,409,548.35 = 541,567.70 : x - Step 2: Convert to fraction form
939,698.90/1,409,548.35 = 541,567.70/x - Step 3: Cross multiply
939,698.90x = 1,409,548.35 × 541,567.70 - Step 4: Simplify right side
939,698.90x = 763,365,857,948.30 - Step 5: Solve for x
x = 763,365,857,948.30/939,698.90 - Step 6: Final answer
x = 812,351.55
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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.