Finding the Fourth Proportional to 772,910.91, 1,158,805.85 and 519,562.96
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Solution
The fourth proportional to 772,910.91, 1,158,805.85 and 519,562.96 is: 778,967.65
Step by Step Solution
- Step 1: Write the proportion equation
772,910.91 : 1,158,805.85 = 519,562.96 : x - Step 2: Convert to fraction form
772,910.91/1,158,805.85 = 519,562.96/x - Step 3: Cross multiply
772,910.91x = 1,158,805.85 × 519,562.96 - Step 4: Simplify right side
772,910.91x = 602,072,591,996.49 - Step 5: Solve for x
x = 602,072,591,996.49/772,910.91 - Step 6: Final answer
x = 778,967.65
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.