Finding the Fourth Proportional to 930,625.74, 1,284,235.50 and 517,161.12
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Solution
The fourth proportional to 930,625.74, 1,284,235.50 and 517,161.12 is: 713,666.77
Step by Step Solution
- Step 1: Write the proportion equation
930,625.74 : 1,284,235.50 = 517,161.12 : x - Step 2: Convert to fraction form
930,625.74/1,284,235.50 = 517,161.12/x - Step 3: Cross multiply
930,625.74x = 1,284,235.50 × 517,161.12 - Step 4: Simplify right side
930,625.74x = 664,156,669,523.76 - Step 5: Solve for x
x = 664,156,669,523.76/930,625.74 - Step 6: Final answer
x = 713,666.77
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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.