Finding the Fourth Proportional to 771,007.20, 1,154,955.60 and 534,616.80
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Solution
The fourth proportional to 771,007.20, 1,154,955.60 and 534,616.80 is: 800,846.82
Step by Step Solution
- Step 1: Write the proportion equation
771,007.20 : 1,154,955.60 = 534,616.80 : x - Step 2: Convert to fraction form
771,007.20/1,154,955.60 = 534,616.80/x - Step 3: Cross multiply
771,007.20x = 1,154,955.60 × 534,616.80 - Step 4: Simplify right side
771,007.20x = 617,458,667,014.08 - Step 5: Solve for x
x = 617,458,667,014.08/771,007.20 - Step 6: Final answer
x = 800,846.82
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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.