Finding the Fourth Proportional to 517,259.99, 713,711.79 and 302,358.48
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Solution
The fourth proportional to 517,259.99, 713,711.79 and 302,358.48 is: 417,192.16
Step by Step Solution
- Step 1: Write the proportion equation
517,259.99 : 713,711.79 = 302,358.48 : x - Step 2: Convert to fraction form
517,259.99/713,711.79 = 302,358.48/x - Step 3: Cross multiply
517,259.99x = 713,711.79 × 302,358.48 - Step 4: Simplify right side
517,259.99x = 215,796,811,982.48 - Step 5: Solve for x
x = 215,796,811,982.48/517,259.99 - Step 6: Final answer
x = 417,192.16
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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.