Finding the Fourth Proportional to 965,392.86, 1,332,251.33 and 535,712.97
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Solution
The fourth proportional to 965,392.86, 1,332,251.33 and 535,712.97 is: 739,288.99
Step by Step Solution
- Step 1: Write the proportion equation
965,392.86 : 1,332,251.33 = 535,712.97 : x - Step 2: Convert to fraction form
965,392.86/1,332,251.33 = 535,712.97/x - Step 3: Cross multiply
965,392.86x = 1,332,251.33 × 535,712.97 - Step 4: Simplify right side
965,392.86x = 713,704,316,780.75 - Step 5: Solve for x
x = 713,704,316,780.75/965,392.86 - Step 6: Final answer
x = 739,288.99
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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.