Finding the Fourth Proportional to 649,305.20, 973,957.80 and 531,207.20
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Solution
The fourth proportional to 649,305.20, 973,957.80 and 531,207.20 is: 796,810.80
Step by Step Solution
- Step 1: Write the proportion equation
649,305.20 : 973,957.80 = 531,207.20 : x - Step 2: Convert to fraction form
649,305.20/973,957.80 = 531,207.20/x - Step 3: Cross multiply
649,305.20x = 973,957.80 × 531,207.20 - Step 4: Simplify right side
649,305.20x = 517,373,395,856.16 - Step 5: Solve for x
x = 517,373,395,856.16/649,305.20 - Step 6: Final answer
x = 796,810.80
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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.