Finding the Fourth Proportional to 788,497.20, 1,088,125.47 and 425,920.95
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Solution
The fourth proportional to 788,497.20, 1,088,125.47 and 425,920.95 is: 587,770.55
Step by Step Solution
- Step 1: Write the proportion equation
788,497.20 : 1,088,125.47 = 425,920.95 : x - Step 2: Convert to fraction form
788,497.20/1,088,125.47 = 425,920.95/x - Step 3: Cross multiply
788,497.20x = 1,088,125.47 × 425,920.95 - Step 4: Simplify right side
788,497.20x = 463,455,433,901.60 - Step 5: Solve for x
x = 463,455,433,901.60/788,497.20 - Step 6: Final answer
x = 587,770.55
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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.