Finding the Fourth Proportional to 494,777.80, 742,166.70 and 323,535.70
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Solution
The fourth proportional to 494,777.80, 742,166.70 and 323,535.70 is: 485,303.55
Step by Step Solution
- Step 1: Write the proportion equation
494,777.80 : 742,166.70 = 323,535.70 : x - Step 2: Convert to fraction form
494,777.80/742,166.70 = 323,535.70/x - Step 3: Cross multiply
494,777.80x = 742,166.70 × 323,535.70 - Step 4: Simplify right side
494,777.80x = 240,117,422,801.19 - Step 5: Solve for x
x = 240,117,422,801.19/494,777.80 - Step 6: Final answer
x = 485,303.55
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1.5x scale
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.