Finding the Fourth Proportional to 517,259.74, 713,711.44 and 302,358.24
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Solution
The fourth proportional to 517,259.74, 713,711.44 and 302,358.24 is: 417,191.82
Step by Step Solution
- Step 1: Write the proportion equation
517,259.74 : 713,711.44 = 302,358.24 : x - Step 2: Convert to fraction form
517,259.74/713,711.44 = 302,358.24/x - Step 3: Cross multiply
517,259.74x = 713,711.44 × 302,358.24 - Step 4: Simplify right side
517,259.74x = 215,796,534,866.27 - Step 5: Solve for x
x = 215,796,534,866.27/517,259.74 - Step 6: Final answer
x = 417,191.82
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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.