Finding the Fourth Proportional to 777,871.75, 1,166,796.05 and 474,355.10
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Solution
The fourth proportional to 777,871.75, 1,166,796.05 and 474,355.10 is: 711,525.59
Step by Step Solution
- Step 1: Write the proportion equation
777,871.75 : 1,166,796.05 = 474,355.10 : x - Step 2: Convert to fraction form
777,871.75/1,166,796.05 = 474,355.10/x - Step 3: Cross multiply
777,871.75x = 1,166,796.05 × 474,355.10 - Step 4: Simplify right side
777,871.75x = 553,475,656,977.36 - Step 5: Solve for x
x = 553,475,656,977.36/777,871.75 - Step 6: Final answer
x = 711,525.59
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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.