Finding the Fourth Proportional to 912,824.41, 1,259,682.12 and 504,925.94
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Solution
The fourth proportional to 912,824.41, 1,259,682.12 and 504,925.94 is: 696,789.19
Step by Step Solution
- Step 1: Write the proportion equation
912,824.41 : 1,259,682.12 = 504,925.94 : x - Step 2: Convert to fraction form
912,824.41/1,259,682.12 = 504,925.94/x - Step 3: Cross multiply
912,824.41x = 1,259,682.12 × 504,925.94 - Step 4: Simplify right side
912,824.41x = 636,046,178,542.19 - Step 5: Solve for x
x = 636,046,178,542.19/912,824.41 - Step 6: Final answer
x = 696,789.19
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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.