Finding the Fourth Proportional to 797,438.70, 1,195,744.95 and 236,400.30
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Solution
The fourth proportional to 797,438.70, 1,195,744.95 and 236,400.30 is: 354,477.99
Step by Step Solution
- Step 1: Write the proportion equation
797,438.70 : 1,195,744.95 = 236,400.30 : x - Step 2: Convert to fraction form
797,438.70/1,195,744.95 = 236,400.30/x - Step 3: Cross multiply
797,438.70x = 1,195,744.95 × 236,400.30 - Step 4: Simplify right side
797,438.70x = 282,674,464,903.49 - Step 5: Solve for x
x = 282,674,464,903.49/797,438.70 - Step 6: Final answer
x = 354,477.99
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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.