Finding the Fourth Proportional to 485,710.99, 670,465.80 and 365,202.22
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Solution
The fourth proportional to 485,710.99, 670,465.80 and 365,202.22 is: 504,117.89
Step by Step Solution
- Step 1: Write the proportion equation
485,710.99 : 670,465.80 = 365,202.22 : x - Step 2: Convert to fraction form
485,710.99/670,465.80 = 365,202.22/x - Step 3: Cross multiply
485,710.99x = 670,465.80 × 365,202.22 - Step 4: Simplify right side
485,710.99x = 244,855,598,594.08 - Step 5: Solve for x
x = 244,855,598,594.08/485,710.99 - Step 6: Final answer
x = 504,117.89
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1.5x scale
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.