Finding the Fourth Proportional to 692,744.99, 955,903.62 and 386,838.37
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Solution
The fourth proportional to 692,744.99, 955,903.62 and 386,838.37 is: 533,789.78
Step by Step Solution
- Step 1: Write the proportion equation
692,744.99 : 955,903.62 = 386,838.37 : x - Step 2: Convert to fraction form
692,744.99/955,903.62 = 386,838.37/x - Step 3: Cross multiply
692,744.99x = 955,903.62 × 386,838.37 - Step 4: Simplify right side
692,744.99x = 369,780,198,237.90 - Step 5: Solve for x
x = 369,780,198,237.90/692,744.99 - Step 6: Final answer
x = 533,789.78
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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.