Finding the Fourth Proportional to 807,225.76, 1,112,807.76 and 564,757.12
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Solution
The fourth proportional to 807,225.76, 1,112,807.76 and 564,757.12 is: 778,550.61
Step by Step Solution
- Step 1: Write the proportion equation
807,225.76 : 1,112,807.76 = 564,757.12 : x - Step 2: Convert to fraction form
807,225.76/1,112,807.76 = 564,757.12/x - Step 3: Cross multiply
807,225.76x = 1,112,807.76 × 564,757.12 - Step 4: Simplify right side
807,225.76x = 628,466,105,651.25 - Step 5: Solve for x
x = 628,466,105,651.25/807,225.76 - Step 6: Final answer
x = 778,550.61
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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.